Eric Lee / smarc-uboot

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Commit aa08894ff41b37f951e2875291763987b13fff85

Authored by Peng Fan
1 parent ddb393c451
Exists in smarc_8mm-imx_v2018.03_4.14.98_2.0.0_ga and in 5 other branches smarc-imx6_v2018.03_4.14.98_2.0.0_ga, smarc-imx7_v2018.03_4.14.98_2.0.0_ga, smarc-imx_v2018.03_4.14.78_1.0.0_ga, smarc_8m-imx_v2018.03_4.14.98_2.0.0_ga, smarc_8m_00d0-imx_v2018.03_4.14.98_2.0.0_ga

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

Introduce puts hook for dm serial driver.

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>

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

drivers/serial/serial-uclass.c
Diff comments   View file @ aa08894
... ... @@ -182,8 +182,17 @@
182 182  
183 183 static void _serial_puts(struct udevice *dev, const char *str)
184 184 {
185   - while (*str)
186   - _serial_putc(dev, *str++);
  185 + struct dm_serial_ops *ops = serial_get_ops(dev);
  186 + int err;
  187 +
  188 + if (ops->puts) {
  189 + do {
  190 + err = ops->puts(dev, str);
  191 + } while (err == -EAGAIN);
  192 + } else {
  193 + while (*str)
  194 + _serial_putc(dev, *str++);
  195 + }
187 196 }
188 197  
189 198 static int __serial_getc(struct udevice *dev)
... ... @@ -98,6 +98,14 @@
98 98 */
99 99 int (*getc)(struct udevice *dev);
100 100 /**
  101 + * puts() - puts a string
  102 + *
  103 + * @dev: Device pointer
  104 + * @str: string to write
  105 + * @return 0 if OK, -ve on error
  106 + */
  107 + int (*puts)(struct udevice *dev, const char *str);
  108 + /**
101 109 * putc() - Write a character
102 110 *
103 111 * @dev: Device pointer