usb: gadget: atmel: Replace printf() and pr_err() by log_err()

To have a uniform printing function, also drop linux/printk.h as no
longer used.

Signed-off-by: Zixun LI <admin@hifiphile.com>
Link: https://lore.kernel.org/r/20240725153204.358925-3-admin@hifiphile.com
Signed-off-by: Mattijs Korpershoek <mkorpershoek@baylibre.com>

diff --git a/drivers/usb/gadget/atmel_usba_udc.c b/drivers/usb/gadget/atmel_usba_udc.c
index 5f78251fdbb65757550c8d1380681db0adba4827..46416384125650a855539f7feab0eb8eab887acb 100644 (file)
--- a/drivers/usb/gadget/atmel_usba_udc.c
+++ b/drivers/usb/gadget/atmel_usba_udc.c
@@ -7,13 +7,13 @@
  *                        Bo Shen <voice.shen@atmel.com>
  */
 
+#include <log.h>
 #include <malloc.h>
 #include <asm/gpio.h>
 #include <asm/hardware.h>
 #include <linux/bitops.h>
 #include <linux/errno.h>
 #include <linux/list.h>
-#include <linux/printk.h>
 #include <linux/usb/ch9.h>
 #include <linux/usb/gadget.h>
 #include <linux/usb/atmel_usba_udc.h>
@@ -1204,12 +1204,12 @@ int usb_gadget_register_driver(struct usb_gadget_driver *driver)
        int ret;
 
        if (!driver || !driver->bind || !driver->setup) {
-               printf("bad paramter\n");
+               log_err("bad paramter\n");
                return -EINVAL;
        }
 
        if (udc->driver) {
-               printf("UDC already has a gadget driver\n");
+               log_err("UDC already has a gadget driver\n");
                return -EBUSY;
        }
 
@@ -1219,7 +1219,7 @@ int usb_gadget_register_driver(struct usb_gadget_driver *driver)
 
        ret = driver->bind(&udc->gadget);
        if (ret) {
-               pr_err("driver->bind() returned %d\n", ret);
+               log_err("driver->bind() returned %d\n", ret);
                udc->driver = NULL;
        }
 
@@ -1231,7 +1231,7 @@ int usb_gadget_unregister_driver(struct usb_gadget_driver *driver)
        struct usba_udc *udc = &controller;
 
        if (!driver || !driver->unbind || !driver->disconnect) {
-               pr_err("bad paramter\n");
+               log_err("bad paramter\n");
                return -EINVAL;
        }
 
@@ -1252,7 +1252,7 @@ static struct usba_ep *usba_udc_pdata(struct usba_platform_data *pdata,
 
        eps = malloc(sizeof(struct usba_ep) * pdata->num_ep);
        if (!eps) {
-               pr_err("failed to alloc eps\n");
+               log_err("failed to alloc eps\n");
                return NULL;
        }