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Commit 8e053ce620c3471332caacd74d0720d409a67503

Authored by Peng Fan
Committed by Ye Li
1 parent cbc0a66982
Exists in smarc_8mq-imx_v2020.04_5.4.24_2.1.0 and in 3 other branches 8qm-imx_v2020.04_5.4.70_2.3.0, smarc-8m-android-10.0.0_2.6.0, smarc_8mm-imx_v2020.04_5.4.24_2.1.0

MLK-20373-2 dm: serial: introduce puts hook 

Introduce puts hook for dm serial driver.

Change-Id: I75423998c7d8db20949bae6ac46a094dc62c9612
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Flynn xu <flynn.xu@nxp.com>
(cherry picked from commit bb986d4ff2124285ec0d99a51a2702a53f485813)

Showing 2 changed files with 19 additions and 2 deletions Side-by-side Diff

drivers/serial/serial-uclass.c
Diff comments   View file @ 8e053ce
... ... @@ -188,8 +188,17 @@
188 188  
189 189 static void _serial_puts(struct udevice *dev, const char *str)
190 190 {
191   - while (*str)
192   - _serial_putc(dev, *str++);
  191 + struct dm_serial_ops *ops = serial_get_ops(dev);
  192 + int err;
  193 +
  194 + if (ops->puts) {
  195 + do {
  196 + err = ops->puts(dev, str);
  197 + } while (err == -EAGAIN);
  198 + } else {
  199 + while (*str)
  200 + _serial_putc(dev, *str++);
  201 + }
193 202 }
194 203  
195 204 static int __serial_getc(struct udevice *dev)
... ... @@ -184,6 +184,14 @@
184 184 */
185 185 int (*getc)(struct udevice *dev);
186 186 /**
  187 + * puts() - puts a string
  188 + *
  189 + * @dev: Device pointer
  190 + * @str: string to write
  191 + * @return 0 if OK, -ve on error
  192 + */
  193 + int (*puts)(struct udevice *dev, const char *str);
  194 + /**
187 195 * putc() - Write a character
188 196 *
189 197 * @dev: Device pointer