[PATCH 0/6] USB: Use str_enable_disable-like helpers

[Krzysztof Kozlowski]

Simple refactoring to replace ternary operator for string pairs like
"enable/disable".

Best regards,
Krzysztof

---
Krzysztof Kozlowski (6):
USB: Replace own str_plural with common one
USB: host: Use str_enable_disable-like helpers
USB: typec: Use str_enable_disable-like helpers
USB: phy: Use str_enable_disable-like helpers
USB: gadget: Use str_enable_disable-like helpers
USB: Use str_enable_disable-like helpers

drivers/usb/cdns3/cdnsp-gadget.c | 13 ++++++------
drivers/usb/chipidea/host.c | 3 ++-
drivers/usb/common/usb-conn-gpio.c | 3 ++-
drivers/usb/core/config.c | 19 +++++++----------
drivers/usb/core/generic.c | 12 ++++-------
drivers/usb/core/hub.c | 10 ++++-----
drivers/usb/core/port.c | 3 ++-
drivers/usb/fotg210/fotg210-core.c | 5 +++--
drivers/usb/gadget/function/f_ecm.c | 4 ++--
drivers/usb/gadget/function/f_ncm.c | 3 ++-
drivers/usb/gadget/function/u_serial.c | 3 ++-
drivers/usb/gadget/legacy/inode.c | 3 ++-
drivers/usb/gadget/udc/aspeed-vhub/hub.c | 3 ++-
drivers/usb/gadget/udc/at91_udc.c | 3 ++-
drivers/usb/gadget/udc/cdns2/cdns2-gadget.c | 13 ++++++------
drivers/usb/gadget/udc/dummy_hcd.c | 3 ++-
drivers/usb/gadget/udc/fsl_udc_core.c | 3 ++-
drivers/usb/gadget/udc/omap_udc.c | 3 ++-
drivers/usb/gadget/udc/pxa27x_udc.c | 3 ++-
drivers/usb/host/oxu210hp-hcd.c | 3 ++-
drivers/usb/host/sl811-hcd.c | 3 ++-
drivers/usb/host/xhci-ring.c | 5 +++--
drivers/usb/host/xhci-tegra.c | 5 +++--
drivers/usb/host/xhci.c | 3 ++-
drivers/usb/mtu3/mtu3_debugfs.c | 3 ++-
drivers/usb/mtu3/mtu3_dr.c | 3 ++-
drivers/usb/mtu3/mtu3_gadget.c | 3 ++-
drivers/usb/musb/da8xx.c | 3 ++-
drivers/usb/musb/musb_core.c | 3 ++-
drivers/usb/musb/musb_dsps.c | 3 ++-
drivers/usb/musb/musb_gadget.c | 3 ++-
drivers/usb/musb/musb_host.c | 3 ++-
drivers/usb/phy/phy-fsl-usb.c | 3 ++-
drivers/usb/phy/phy-mv-usb.c | 3 ++-
drivers/usb/phy/phy-tahvo.c | 3 ++-
drivers/usb/storage/shuttle_usbat.c | 4 ++--
drivers/usb/typec/class.c | 7 ++++---
drivers/usb/typec/tcpm/fusb302.c | 24 +++++++++++-----------
.../usb/typec/tcpm/qcom/qcom_pmic_typec_pdphy.c | 3 ++-
.../typec/tcpm/qcom/qcom_pmic_typec_pdphy_stub.c | 3 ++-
drivers/usb/typec/tcpm/qcom/qcom_pmic_typec_port.c | 4 +++-
drivers/usb/typec/tcpm/tcpm.c | 7 ++++---
drivers/usb/usbip/vhci_hcd.c | 3 ++-
43 files changed, 124 insertions(+), 95 deletions(-)
---
base-commit: 114d4ae3196721b07f1159730665e0c3f032058a
change-id: 20250114-str-enable-disable-usb-388dcb33018d

Best regards,
--
Krzysztof Kozlowski <krzysztof...@linaro.org>

[Krzysztof Kozlowski]

Replace ternary (condition ? "enable" : "disable") syntax with helpers
from string_choices.h because:
1. Simple function call with one argument is easier to read. Ternary
operator has three arguments and with wrapping might lead to quite
long code.
2. Is slightly shorter thus also easier to read.
3. It brings uniformity in the text - same string.
4. Allows deduping by the linker, which results in a smaller binary
file.

Signed-off-by: Krzysztof Kozlowski <krzysztof...@linaro.org>
---

drivers/usb/gadget/function/f_ecm.c | 4 ++--
drivers/usb/gadget/function/f_ncm.c | 3 ++-
drivers/usb/gadget/function/u_serial.c | 3 ++-
drivers/usb/gadget/legacy/inode.c | 3 ++-
drivers/usb/gadget/udc/aspeed-vhub/hub.c | 3 ++-
drivers/usb/gadget/udc/at91_udc.c | 3 ++-

drivers/usb/gadget/udc/cdns2/cdns2-gadget.c | 13 +++++++------

drivers/usb/gadget/udc/dummy_hcd.c | 3 ++-
drivers/usb/gadget/udc/fsl_udc_core.c | 3 ++-
drivers/usb/gadget/udc/omap_udc.c | 3 ++-
drivers/usb/gadget/udc/pxa27x_udc.c | 3 ++-

11 files changed, 27 insertions(+), 17 deletions(-)

diff --git a/drivers/usb/gadget/function/f_ecm.c b/drivers/usb/gadget/function/f_ecm.c
index 6cb7771e8a692dbf555d65f4b3699b2a62c85cec..80841de845b09129564cb6d1b7710f8b76174292 100644
--- a/drivers/usb/gadget/function/f_ecm.c
+++ b/drivers/usb/gadget/function/f_ecm.c
@@ -13,6 +13,7 @@
#include <linux/module.h>
#include <linux/device.h>
#include <linux/etherdevice.h>
+#include <linux/string_choices.h>

#include "u_ether.h"
#include "u_ether_configfs.h"
@@ -387,8 +388,7 @@ static void ecm_do_notify(struct f_ecm *ecm)
event->wLength = 0;
req->length = sizeof *event;

- DBG(cdev, "notify connect %s\n",
- ecm->is_open ? "true" : "false");
+ DBG(cdev, "notify connect %s\n", str_true_false(ecm->is_open));
ecm->notify_state = ECM_NOTIFY_SPEED;
break;

diff --git a/drivers/usb/gadget/function/f_ncm.c b/drivers/usb/gadget/function/f_ncm.c
index 8e761249d672c7b079f2c9ec13cbe9644251ec94..f60576a65ca67e84d8d4d568171bea2e6b4fcfe7 100644
--- a/drivers/usb/gadget/function/f_ncm.c
+++ b/drivers/usb/gadget/function/f_ncm.c
@@ -17,6 +17,7 @@
#include <linux/device.h>
#include <linux/etherdevice.h>
#include <linux/crc32.h>
+#include <linux/string_choices.h>

#include <linux/usb/cdc.h>

@@ -558,7 +559,7 @@ static void ncm_do_notify(struct f_ncm *ncm)
req->length = sizeof *event;

DBG(cdev, "notify connect %s\n",
- ncm->is_open ? "true" : "false");
+ str_true_false(ncm->is_open));
ncm->notify_state = NCM_NOTIFY_NONE;
break;

diff --git a/drivers/usb/gadget/function/u_serial.c b/drivers/usb/gadget/function/u_serial.c
index bc143a86c2ddf07cba0d3ab6ada41387bc0d4bec..5413882b149812a141cc641be99e216d0b11006a 100644
--- a/drivers/usb/gadget/function/u_serial.c
+++ b/drivers/usb/gadget/function/u_serial.c
@@ -21,6 +21,7 @@
#include <linux/tty.h>
#include <linux/tty_flip.h>
#include <linux/slab.h>
+#include <linux/string_choices.h>
#include <linux/export.h>
#include <linux/module.h>
#include <linux/console.h>
@@ -1545,7 +1546,7 @@ static int __init userial_init(void)

pr_debug("%s: registered %d ttyGS* device%s\n", __func__,
MAX_U_SERIAL_PORTS,
- (MAX_U_SERIAL_PORTS == 1) ? "" : "s");
+ str_plural(MAX_U_SERIAL_PORTS));

return status;
fail:
diff --git a/drivers/usb/gadget/legacy/inode.c b/drivers/usb/gadget/legacy/inode.c
index 9c7381661016daa3a1a61d0509e57210d5f5e682..b6a30d88a800347de9d8e274923bd24b58018b53 100644
--- a/drivers/usb/gadget/legacy/inode.c
+++ b/drivers/usb/gadget/legacy/inode.c
@@ -20,6 +20,7 @@
#include <linux/uaccess.h>
#include <linux/sched.h>
#include <linux/slab.h>
+#include <linux/string_choices.h>
#include <linux/poll.h>
#include <linux/kthread.h>
#include <linux/aio.h>
@@ -1182,7 +1183,7 @@ ep0_fasync (int f, struct file *fd, int on)
{
struct dev_data *dev = fd->private_data;
// caller must F_SETOWN before signal delivery happens
- VDEBUG (dev, "%s %s\n", __func__, on ? "on" : "off");
+ VDEBUG(dev, "%s %s\n", __func__, str_on_off(on));
return fasync_helper (f, fd, on, &dev->fasync);
}

diff --git a/drivers/usb/gadget/udc/aspeed-vhub/hub.c b/drivers/usb/gadget/udc/aspeed-vhub/hub.c
index a63e4af60a56a9a0b00c2828c4de14f31b13e033..02fe1a08d5757e9e3e21e874766d3cee1305e555 100644
--- a/drivers/usb/gadget/udc/aspeed-vhub/hub.c
+++ b/drivers/usb/gadget/udc/aspeed-vhub/hub.c
@@ -22,6 +22,7 @@
#include <linux/usb/gadget.h>
#include <linux/of.h>
#include <linux/regmap.h>
+#include <linux/string_choices.h>
#include <linux/dma-mapping.h>
#include <linux/bcd.h>
#include <linux/version.h>
@@ -219,7 +220,7 @@ static int ast_vhub_hub_dev_feature(struct ast_vhub_ep *ep,
if (wValue == USB_DEVICE_REMOTE_WAKEUP) {
ep->vhub->wakeup_en = is_set;
EPDBG(ep, "Hub remote wakeup %s\n",
- is_set ? "enabled" : "disabled");
+ str_enabled_disabled(is_set));
return std_req_complete;
}

diff --git a/drivers/usb/gadget/udc/at91_udc.c b/drivers/usb/gadget/udc/at91_udc.c
index e3af4ec3794e2ef871bc252948b6121921623704..aa4c61094dc6fa379de04f08f3b771dcafe942b3 100644
--- a/drivers/usb/gadget/udc/at91_udc.c
+++ b/drivers/usb/gadget/udc/at91_udc.c
@@ -16,6 +16,7 @@
#include <linux/delay.h>
#include <linux/ioport.h>
#include <linux/slab.h>
+#include <linux/string_choices.h>
#include <linux/errno.h>
#include <linux/list.h>
#include <linux/interrupt.h>
@@ -131,7 +132,7 @@ static void proc_ep_show(struct seq_file *s, struct at91_ep *ep)
seq_printf(s, "csr %08x rxbytes=%d %s %s %s" EIGHTBITS "\n",
csr,
(csr & 0x07ff0000) >> 16,
- (csr & (1 << 15)) ? "enabled" : "disabled",
+ str_enabled_disabled(csr & (1 << 15)),
(csr & (1 << 11)) ? "DATA1" : "DATA0",
types[(csr & 0x700) >> 8],

diff --git a/drivers/usb/gadget/udc/cdns2/cdns2-gadget.c b/drivers/usb/gadget/udc/cdns2/cdns2-gadget.c
index 62fce42ef2dabd18643e3d933426025a17cdb9f1..7e69944ef18a91ab51f4f8abefae7149e93eb92c 100644
--- a/drivers/usb/gadget/udc/cdns2/cdns2-gadget.c
+++ b/drivers/usb/gadget/udc/cdns2/cdns2-gadget.c
@@ -29,6 +29,7 @@
#include <linux/pm_runtime.h>
#include <linux/interrupt.h>
#include <linux/property.h>
+#include <linux/string_choices.h>
#include <linux/dmapool.h>
#include <linux/iopoll.h>

@@ -2233,12 +2234,12 @@ static int cdns2_init_eps(struct cdns2_device *pdev)
dev_dbg(pdev->dev, "Init %s, SupType: CTRL: %s, INT: %s, "
"BULK: %s, ISOC %s, SupDir IN: %s, OUT: %s\n",
pep->name,
- (pep->endpoint.caps.type_control) ? "yes" : "no",
- (pep->endpoint.caps.type_int) ? "yes" : "no",
- (pep->endpoint.caps.type_bulk) ? "yes" : "no",
- (pep->endpoint.caps.type_iso) ? "yes" : "no",
- (pep->endpoint.caps.dir_in) ? "yes" : "no",
- (pep->endpoint.caps.dir_out) ? "yes" : "no");
+ str_yes_no(pep->endpoint.caps.type_control),
+ str_yes_no(pep->endpoint.caps.type_int),
+ str_yes_no(pep->endpoint.caps.type_bulk),
+ str_yes_no(pep->endpoint.caps.type_iso),
+ str_yes_no(pep->endpoint.caps.dir_in),
+ str_yes_no(pep->endpoint.caps.dir_out));

INIT_LIST_HEAD(&pep->pending_list);
INIT_LIST_HEAD(&pep->deferred_list);
diff --git a/drivers/usb/gadget/udc/dummy_hcd.c b/drivers/usb/gadget/udc/dummy_hcd.c
index a7e8fa45776b5c16220bc5181eb6a91c45adf019..bda08c5ba7c01457aee61f86f828c12cc1ce8d01 100644
--- a/drivers/usb/gadget/udc/dummy_hcd.c
+++ b/drivers/usb/gadget/udc/dummy_hcd.c
@@ -28,6 +28,7 @@
#include <linux/delay.h>
#include <linux/ioport.h>
#include <linux/slab.h>
+#include <linux/string_choices.h>
#include <linux/errno.h>
#include <linux/init.h>
#include <linux/hrtimer.h>
@@ -625,7 +626,7 @@ static int dummy_enable(struct usb_ep *_ep,
desc->bEndpointAddress & 0x0f,
(desc->bEndpointAddress & USB_DIR_IN) ? "in" : "out",
usb_ep_type_string(usb_endpoint_type(desc)),
- max, ep->stream_en ? "enabled" : "disabled");
+ max, str_enabled_disabled(ep->stream_en));

/* at this point real hardware should be NAKing transfers
* to that endpoint, until a buffer is queued to it.
diff --git a/drivers/usb/gadget/udc/fsl_udc_core.c b/drivers/usb/gadget/udc/fsl_udc_core.c
index 8b7f7f96177459f6d295f5740b5ab23c0eab838f..4dea8bc30cf6d64663889ad0694bd34513321b54 100644
--- a/drivers/usb/gadget/udc/fsl_udc_core.c
+++ b/drivers/usb/gadget/udc/fsl_udc_core.c
@@ -22,6 +22,7 @@
#include <linux/errno.h>
#include <linux/err.h>
#include <linux/slab.h>
+#include <linux/string_choices.h>
#include <linux/init.h>
#include <linux/list.h>
#include <linux/interrupt.h>
@@ -1181,7 +1182,7 @@ static int fsl_vbus_session(struct usb_gadget *gadget, int is_active)

udc = container_of(gadget, struct fsl_udc, gadget);
spin_lock_irqsave(&udc->lock, flags);
- dev_vdbg(&gadget->dev, "VBUS %s\n", is_active ? "on" : "off");
+ dev_vdbg(&gadget->dev, "VBUS %s\n", str_on_off(is_active));
udc->vbus_active = (is_active != 0);
if (can_pullup(udc))
fsl_writel((fsl_readl(&dr_regs->usbcmd) | USB_CMD_RUN_STOP),
diff --git a/drivers/usb/gadget/udc/omap_udc.c b/drivers/usb/gadget/udc/omap_udc.c
index 698463bf697b29aaf15f05297b8beac9f2bfdab3..8902abe3ca7659f4248cc857c53f53920a011d67 100644
--- a/drivers/usb/gadget/udc/omap_udc.c
+++ b/drivers/usb/gadget/udc/omap_udc.c
@@ -18,6 +18,7 @@
#include <linux/errno.h>
#include <linux/delay.h>
#include <linux/slab.h>
+#include <linux/string_choices.h>
#include <linux/timer.h>
#include <linux/list.h>
#include <linux/interrupt.h>
@@ -1252,7 +1253,7 @@ static int omap_vbus_session(struct usb_gadget *gadget, int is_active)

udc = container_of(gadget, struct omap_udc, gadget);
spin_lock_irqsave(&udc->lock, flags);
- VDBG("VBUS %s\n", is_active ? "on" : "off");
+ VDBG("VBUS %s\n", str_on_off(is_active));
udc->vbus_active = (is_active != 0);
if (cpu_is_omap15xx()) {
/* "software" detect, ignored if !VBUS_MODE_1510 */
diff --git a/drivers/usb/gadget/udc/pxa27x_udc.c b/drivers/usb/gadget/udc/pxa27x_udc.c
index f9a55d4f189f4396230afcef85241c858fe40c41..897f53601b5b208955a29bca2b0743cce4155843 100644
--- a/drivers/usb/gadget/udc/pxa27x_udc.c
+++ b/drivers/usb/gadget/udc/pxa27x_udc.c
@@ -20,6 +20,7 @@
#include <linux/gpio.h>
#include <linux/gpio/consumer.h>
#include <linux/slab.h>
+#include <linux/string_choices.h>
#include <linux/prefetch.h>
#include <linux/byteorder/generic.h>
#include <linux/platform_data/pxa2xx_udc.h>
@@ -1083,7 +1084,7 @@ static int pxa_ep_queue(struct usb_ep *_ep, struct usb_request *_req,

is_first_req = list_empty(&ep->queue);
ep_dbg(ep, "queue req %p(first=%s), len %d buf %p\n",
- _req, is_first_req ? "yes" : "no",
+ _req, str_yes_no(is_first_req),
_req->length, _req->buf);

if (!ep->enabled) {

--
2.43.0

[Krzysztof Kozlowski]

Replace ternary (condition ? "enable" : "disable") syntax with helpers
from string_choices.h because:
1. Simple function call with one argument is easier to read. Ternary
operator has three arguments and with wrapping might lead to quite
long code.
2. Is slightly shorter thus also easier to read.
3. It brings uniformity in the text - same string.
4. Allows deduping by the linker, which results in a smaller binary
file.

Signed-off-by: Krzysztof Kozlowski <krzysztof...@linaro.org>
---

drivers/usb/cdns3/cdnsp-gadget.c | 13 +++++++------

drivers/usb/chipidea/host.c | 3 ++-
drivers/usb/common/usb-conn-gpio.c | 3 ++-

drivers/usb/core/hub.c | 10 +++++-----

drivers/usb/core/port.c | 3 ++-
drivers/usb/fotg210/fotg210-core.c | 5 +++--

drivers/usb/mtu3/mtu3_debugfs.c | 3 ++-
drivers/usb/mtu3/mtu3_dr.c | 3 ++-
drivers/usb/mtu3/mtu3_gadget.c | 3 ++-
drivers/usb/musb/da8xx.c | 3 ++-
drivers/usb/musb/musb_core.c | 3 ++-
drivers/usb/musb/musb_dsps.c | 3 ++-
drivers/usb/musb/musb_gadget.c | 3 ++-
drivers/usb/musb/musb_host.c | 3 ++-

drivers/usb/storage/shuttle_usbat.c | 4 ++--
drivers/usb/usbip/vhci_hcd.c | 3 ++-
16 files changed, 41 insertions(+), 27 deletions(-)

diff --git a/drivers/usb/cdns3/cdnsp-gadget.c b/drivers/usb/cdns3/cdnsp-gadget.c
index 4a3f0f95825698f0524cace5c06bfcf27f763149..97edf767ecee9067e3db66c2373d4b1a7a2e29de 100644
--- a/drivers/usb/cdns3/cdnsp-gadget.c
+++ b/drivers/usb/cdns3/cdnsp-gadget.c
@@ -15,6 +15,7 @@
#include <linux/delay.h>
#include <linux/log2.h>
#include <linux/slab.h>
+#include <linux/string_choices.h>
#include <linux/pci.h>
#include <linux/irq.h>
#include <linux/dmi.h>
@@ -1671,12 +1672,12 @@ static int cdnsp_gadget_init_endpoints(struct cdnsp_device *pdev)

"CTRL: %s, INT: %s, BULK: %s, ISOC %s, "
"SupDir IN: %s, OUT: %s\n",

pep->name, 1024,

- (pep->endpoint.caps.type_control) ? "yes" : "no",
- (pep->endpoint.caps.type_int) ? "yes" : "no",
- (pep->endpoint.caps.type_bulk) ? "yes" : "no",
- (pep->endpoint.caps.type_iso) ? "yes" : "no",
- (pep->endpoint.caps.dir_in) ? "yes" : "no",
- (pep->endpoint.caps.dir_out) ? "yes" : "no");
+ str_yes_no(pep->endpoint.caps.type_control),
+ str_yes_no(pep->endpoint.caps.type_int),
+ str_yes_no(pep->endpoint.caps.type_bulk),
+ str_yes_no(pep->endpoint.caps.type_iso),
+ str_yes_no(pep->endpoint.caps.dir_in),
+ str_yes_no(pep->endpoint.caps.dir_out));

INIT_LIST_HEAD(&pep->pending_list);
}

diff --git a/drivers/usb/chipidea/host.c b/drivers/usb/chipidea/host.c
index 442d79e32a65b59d551e274dc3464febead3820b..ced6076a8248427e2aaafd28fd7a6f5aaa1cbc05 100644
--- a/drivers/usb/chipidea/host.c
+++ b/drivers/usb/chipidea/host.c
@@ -13,6 +13,7 @@
#include <linux/usb/hcd.h>
#include <linux/usb/chipidea.h>
#include <linux/regulator/consumer.h>
+#include <linux/string_choices.h>
#include <linux/pinctrl/consumer.h>

#include "../host/ehci.h"
@@ -56,7 +57,7 @@ static int ehci_ci_portpower(struct usb_hcd *hcd, int portnum, bool enable)
if (ret) {
dev_err(dev,
"Failed to %s vbus regulator, ret=%d\n",
- enable ? "enable" : "disable", ret);
+ str_enable_disable(enable), ret);
return ret;
}
priv->enabled = enable;
diff --git a/drivers/usb/common/usb-conn-gpio.c b/drivers/usb/common/usb-conn-gpio.c
index c84b4a70008460f4607050b517a22fba4dc0ffec..aa710b50791b0282be0a6a26cffdd981b794acaa 100644
--- a/drivers/usb/common/usb-conn-gpio.c
+++ b/drivers/usb/common/usb-conn-gpio.c
@@ -19,6 +19,7 @@
#include <linux/platform_device.h>
#include <linux/power_supply.h>
#include <linux/regulator/consumer.h>
+#include <linux/string_choices.h>
#include <linux/usb/role.h>

#define USB_GPIO_DEB_MS 20 /* ms */
@@ -111,7 +112,7 @@ static void usb_conn_detect_cable(struct work_struct *work)

if (info->vbus)
dev_dbg(info->dev, "vbus regulator is %s\n",
- regulator_is_enabled(info->vbus) ? "enabled" : "disabled");
+ str_enabled_disabled(regulator_is_enabled(info->vbus)));

power_supply_changed(info->charger);
}
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index 21ac9b464696f561c87b56eab4b4dce7c5e64533..c3f839637cb5a6222754ae7cd2ea137e8086768e 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -18,6 +18,7 @@
#include <linux/sched/mm.h>
#include <linux/list.h>
#include <linux/slab.h>
+#include <linux/string_choices.h>
#include <linux/kcov.h>
#include <linux/ioctl.h>
#include <linux/usb.h>
@@ -1496,7 +1497,7 @@ static int hub_configure(struct usb_hub *hub,

maxchild = hub->descriptor->bNbrPorts;
dev_info(hub_dev, "%d port%s detected\n", maxchild,
- (maxchild == 1) ? "" : "s");
+ str_plural(maxchild));

hub->ports = kcalloc(maxchild, sizeof(struct usb_port *), GFP_KERNEL);
if (!hub->ports) {
@@ -4139,14 +4140,14 @@ static int usb_set_device_initiated_lpm(struct usb_device *udev,
break;
default:
dev_warn(&udev->dev, "%s: Can't %s non-U1 or U2 state.\n",
- __func__, enable ? "enable" : "disable");
+ __func__, str_enable_disable(enable));
return -EINVAL;
}

if (udev->state != USB_STATE_CONFIGURED) {
dev_dbg(&udev->dev, "%s: Can't %s %s state "
"for unconfigured device.\n",
- __func__, enable ? "enable" : "disable",
+ __func__, str_enable_disable(enable),
usb3_lpm_names[state]);
return 0;
}
@@ -4172,8 +4173,7 @@ static int usb_set_device_initiated_lpm(struct usb_device *udev,
}
if (ret < 0) {
dev_warn(&udev->dev, "%s of device-initiated %s failed.\n",
- enable ? "Enable" : "Disable",
- usb3_lpm_names[state]);
+ str_enable_disable(enable), usb3_lpm_names[state]);
return -EBUSY;
}
return 0;
diff --git a/drivers/usb/core/port.c b/drivers/usb/core/port.c
index e857e532b35a4687bb8113610cb76d0386fa26b5..f54198171b6a3fb49c5f74f4a8a303b422d099eb 100644
--- a/drivers/usb/core/port.c
+++ b/drivers/usb/core/port.c
@@ -9,6 +9,7 @@

#include <linux/kstrtox.h>
#include <linux/slab.h>
+#include <linux/string_choices.h>
#include <linux/sysfs.h>
#include <linux/pm_qos.h>
#include <linux/component.h>
@@ -25,7 +26,7 @@ static ssize_t early_stop_show(struct device *dev,
{
struct usb_port *port_dev = to_usb_port(dev);

- return sysfs_emit(buf, "%s\n", port_dev->early_stop ? "yes" : "no");
+ return sysfs_emit(buf, "%s\n", str_yes_no(port_dev->early_stop));
}

static ssize_t early_stop_store(struct device *dev, struct device_attribute *attr,
diff --git a/drivers/usb/fotg210/fotg210-core.c b/drivers/usb/fotg210/fotg210-core.c
index 49f25a70b32ebdd8bdad672d31342d5f89c4a502..7fb4d4715e9f7f5ca64bc4b40e0260e304791bc9 100644
--- a/drivers/usb/fotg210/fotg210-core.c
+++ b/drivers/usb/fotg210/fotg210-core.c
@@ -13,6 +13,7 @@
#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/regmap.h>
+#include <linux/string_choices.h>
#include <linux/usb.h>
#include <linux/usb/otg.h>

@@ -119,8 +120,8 @@ void fotg210_vbus(struct fotg210 *fotg, bool enable)
ret = regmap_update_bits(fotg->map, GEMINI_GLOBAL_MISC_CTRL, mask, val);
if (ret)
dev_err(fotg->dev, "failed to %s VBUS\n",
- enable ? "enable" : "disable");
- dev_info(fotg->dev, "%s: %s VBUS\n", __func__, enable ? "enable" : "disable");
+ str_enable_disable(enable));
+ dev_info(fotg->dev, "%s: %s VBUS\n", __func__, str_enable_disable(enable));
}

static int fotg210_probe(struct platform_device *pdev)
diff --git a/drivers/usb/mtu3/mtu3_debugfs.c b/drivers/usb/mtu3/mtu3_debugfs.c
index f0de9985835313500ebcce6435dbdd5d0357f914..9bd74c505872dd05bf1237f96d1dde878f76b59b 100644
--- a/drivers/usb/mtu3/mtu3_debugfs.c
+++ b/drivers/usb/mtu3/mtu3_debugfs.c
@@ -7,6 +7,7 @@
* Author: Chunfeng Yun <chunfe...@mediatek.com>
*/

+#include <linux/string_choices.h>
#include <linux/uaccess.h>

#include "mtu3.h"
@@ -479,7 +480,7 @@ static int ssusb_vbus_show(struct seq_file *sf, void *unused)
struct otg_switch_mtk *otg_sx = &ssusb->otg_switch;

seq_printf(sf, "vbus state: %s\n(echo on/off)\n",
- regulator_is_enabled(otg_sx->vbus) ? "on" : "off");
+ str_on_off(regulator_is_enabled(otg_sx->vbus)));

return 0;
}
diff --git a/drivers/usb/mtu3/mtu3_dr.c b/drivers/usb/mtu3/mtu3_dr.c
index 8191b7ed3852107a4ddd55b39fc53987eb56fef6..ffa5b9401dad0a79fa8ded2c32d3bb4e49069951 100644
--- a/drivers/usb/mtu3/mtu3_dr.c
+++ b/drivers/usb/mtu3/mtu3_dr.c
@@ -7,6 +7,7 @@
* Author: Chunfeng Yun <chunfe...@mediatek.com>
*/

+#include <linux/string_choices.h>
#include "mtu3.h"
#include "mtu3_dr.h"
#include "mtu3_debug.h"
@@ -109,7 +110,7 @@ int ssusb_set_vbus(struct otg_switch_mtk *otg_sx, int is_on)
if (!vbus)
return 0;

- dev_dbg(ssusb->dev, "%s: turn %s\n", __func__, is_on ? "on" : "off");
+ dev_dbg(ssusb->dev, "%s: turn %s\n", __func__, str_on_off(is_on));

if (is_on) {
ret = regulator_enable(vbus);
diff --git a/drivers/usb/mtu3/mtu3_gadget.c b/drivers/usb/mtu3/mtu3_gadget.c
index ad0eeac4332d9f69d5237180a8a16cbc0eee35c2..bf73fbc29976ff8d99a3591b33f4f6b90ed9b4c3 100644
--- a/drivers/usb/mtu3/mtu3_gadget.c
+++ b/drivers/usb/mtu3/mtu3_gadget.c
@@ -7,6 +7,7 @@
* Author: Chunfeng Yun <chunfe...@mediatek.com>
*/

+#include <linux/string_choices.h>
#include "mtu3.h"
#include "mtu3_trace.h"

@@ -490,7 +491,7 @@ static int mtu3_gadget_pullup(struct usb_gadget *gadget, int is_on)
unsigned long flags;

dev_dbg(mtu->dev, "%s (%s) for %sactive device\n", __func__,
- is_on ? "on" : "off", mtu->is_active ? "" : "in");
+ str_on_off(is_on), mtu->is_active ? "" : "in");

pm_runtime_get_sync(mtu->dev);

diff --git a/drivers/usb/musb/da8xx.c b/drivers/usb/musb/da8xx.c
index f772aa272bea65eb403655b81a7bec26a1d355e4..26fd71a5f9b2aeef43eea19fc58302e79b4abc4a 100644
--- a/drivers/usb/musb/da8xx.c
+++ b/drivers/usb/musb/da8xx.c
@@ -21,6 +21,7 @@
#include <linux/of_platform.h>
#include <linux/phy/phy.h>
#include <linux/platform_device.h>
+#include <linux/string_choices.h>
#include <linux/dma-mapping.h>
#include <linux/usb/usb_phy_generic.h>

@@ -306,7 +307,7 @@ static irqreturn_t da8xx_musb_interrupt(int irq, void *hci)
}

dev_dbg(musb->controller, "VBUS %s (%s)%s, devctl %02x\n",
- drvvbus ? "on" : "off",
+ str_on_off(drvvbus),
usb_otg_state_string(musb->xceiv->otg->state),
err ? " ERROR" : "",
devctl);
diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c
index 03b1154a6014ab27b8cca916af3a724b58046c53..7f349f5e781df481c44e84a02e8c93cf3279132d 100644
--- a/drivers/usb/musb/musb_core.c
+++ b/drivers/usb/musb/musb_core.c
@@ -72,6 +72,7 @@
#include <linux/kobject.h>
#include <linux/prefetch.h>
#include <linux/platform_device.h>
+#include <linux/string_choices.h>
#include <linux/io.h>
#include <linux/iopoll.h>
#include <linux/dma-mapping.h>
@@ -1937,7 +1938,7 @@ vbus_show(struct device *dev, struct device_attribute *attr, char *buf)
pm_runtime_put_sync(dev);

return sprintf(buf, "Vbus %s, timeout %lu msec\n",
- vbus ? "on" : "off", val);
+ str_on_off(vbus), val);
}
static DEVICE_ATTR_RW(vbus);

diff --git a/drivers/usb/musb/musb_dsps.c b/drivers/usb/musb/musb_dsps.c
index 2542239ec64eafa2de5bd34f19cb0bb7d68b88ea..f877faf5a930cabad4e2a62289c4d8224b2befa6 100644
--- a/drivers/usb/musb/musb_dsps.c
+++ b/drivers/usb/musb/musb_dsps.c
@@ -24,6 +24,7 @@
#include <linux/usb/usb_phy_generic.h>
#include <linux/platform_data/usb-omap.h>
#include <linux/sizes.h>
+#include <linux/string_choices.h>

#include <linux/of.h>
#include <linux/of_address.h>
@@ -378,7 +379,7 @@ static irqreturn_t dsps_interrupt(int irq, void *hci)

/* NOTE: this must complete power-on within 100 ms. */
dev_dbg(musb->controller, "VBUS %s (%s)%s, devctl %02x\n",
- drvvbus ? "on" : "off",
+ str_on_off(drvvbus),
usb_otg_state_string(musb->xceiv->otg->state),
err ? " ERROR" : "",
devctl);
diff --git a/drivers/usb/musb/musb_gadget.c b/drivers/usb/musb/musb_gadget.c
index c6076df0d50cc7aa9b733c2685394cd810c39f4a..6869c58367f2d05b464a0f9a63008425730b94da 100644
--- a/drivers/usb/musb/musb_gadget.c
+++ b/drivers/usb/musb/musb_gadget.c
@@ -14,6 +14,7 @@
#include <linux/module.h>
#include <linux/smp.h>
#include <linux/spinlock.h>
+#include <linux/string_choices.h>
#include <linux/delay.h>
#include <linux/dma-mapping.h>
#include <linux/slab.h>
@@ -1606,7 +1607,7 @@ static void musb_pullup(struct musb *musb, int is_on)
/* FIXME if on, HdrcStart; if off, HdrcStop */

musb_dbg(musb, "gadget D+ pullup %s",
- is_on ? "on" : "off");
+ str_on_off(is_on));
musb_writeb(musb->mregs, MUSB_POWER, power);
}

diff --git a/drivers/usb/musb/musb_host.c b/drivers/usb/musb/musb_host.c
index 732ba981e607e750995db0b7cca2bb270e9793e6..6b4481a867c5e8189ce164b3f98cc3576b0b1a81 100644
--- a/drivers/usb/musb/musb_host.c
+++ b/drivers/usb/musb/musb_host.c
@@ -13,6 +13,7 @@
#include <linux/delay.h>

#include <linux/sched.h>
#include <linux/slab.h>
+#include <linux/string_choices.h>

#include <linux/errno.h>
#include <linux/list.h>
#include <linux/dma-mapping.h>
@@ -1028,7 +1029,7 @@ static bool musb_h_ep0_continue(struct musb *musb, u16 len, struct urb *urb)
+ urb->actual_length);
musb_dbg(musb, "Sending %d byte%s to ep0 fifo %p",
fifo_count,
- (fifo_count == 1) ? "" : "s",
+ str_plural(fifo_count),
fifo_dest);
musb_write_fifo(hw_ep, fifo_count, fifo_dest);

diff --git a/drivers/usb/storage/shuttle_usbat.c b/drivers/usb/storage/shuttle_usbat.c
index 087c706bb315f9d4b921b9d9eb85df752c90337b..c33cbf177e6fcaa80e0d2639594d1314c59f4950 100644
--- a/drivers/usb/storage/shuttle_usbat.c
+++ b/drivers/usb/storage/shuttle_usbat.c
@@ -32,6 +32,7 @@
#include <linux/errno.h>
#include <linux/module.h>
#include <linux/slab.h>
+#include <linux/string_choices.h>
#include <linux/cdrom.h>

#include <scsi/scsi.h>
@@ -651,8 +652,7 @@ static int usbat_hp8200e_rw_block_test(struct us_data *us,
return USB_STOR_TRANSPORT_FAILED;

usb_stor_dbg(us, "Redoing %s\n",
- direction == DMA_TO_DEVICE
- ? "write" : "read");
+ str_write_read(direction == DMA_TO_DEVICE));

} else if (result != USB_STOR_XFER_GOOD)
return USB_STOR_TRANSPORT_ERROR;
diff --git a/drivers/usb/usbip/vhci_hcd.c b/drivers/usb/usbip/vhci_hcd.c
index 2f722849dfc9ff64b8801c56beca3cde49184f31..f4843ea5080c03cade2a77657701731af7dbf8b0 100644
--- a/drivers/usb/usbip/vhci_hcd.c
+++ b/drivers/usb/usbip/vhci_hcd.c
@@ -11,6 +11,7 @@
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
+#include <linux/string_choices.h>

#include "usbip_common.h"
#include "vhci.h"
@@ -1449,7 +1450,7 @@ static int vhci_hcd_suspend(struct platform_device *pdev, pm_message_t state)
if (connected > 0) {
dev_info(&pdev->dev,
"We have %d active connection%s. Do not suspend.\n",
- connected, (connected == 1 ? "" : "s"));
+ connected, str_plural(connected));
ret = -EBUSY;
} else {
dev_info(&pdev->dev, "suspend vhci_hcd");

--
2.43.0

[Andrew Jeffery]

On Tue, 2025-01-14 at 21:05 +0100, Krzysztof Kozlowski wrote:
> Replace ternary (condition ? "enable" : "disable") syntax with
> helpers
> from string_choices.h because:
> 1. Simple function call with one argument is easier to read.  Ternary
>    operator has three arguments and with wrapping might lead to quite
>    long code.
> 2. Is slightly shorter thus also easier to read.
> 3. It brings uniformity in the text - same string.
> 4. Allows deduping by the linker, which results in a smaller binary
>    file.
>
> Signed-off-by: Krzysztof Kozlowski <krzysztof...@linaro.org>
> ---
>  drivers/usb/gadget/function/f_ecm.c         |  4 ++--
>  drivers/usb/gadget/function/f_ncm.c         |  3 ++-
>  drivers/usb/gadget/function/u_serial.c      |  3 ++-
>  drivers/usb/gadget/legacy/inode.c           |  3 ++-
>  drivers/usb/gadget/udc/aspeed-vhub/hub.c    |  3 ++-

Reviewed-by: Andrew Jeffery <and...@codeconstruct.com.au> #aspeed