modbus: serial: use gpio_is_ready_dt() for GPIO readiness check

ndrs-pst · ndrs-pst · commit e21d1d2f776a · 2025-10-06T22:46:15.000+07:00
Simplify code by using gpio_dt_spec pointer-based API

Signed-off-by: Pisit Sawangvonganan &lt;pisit@ndrsolution.com&gt;
diff --git a/subsys/modbus/modbus_serial.c b/subsys/modbus/modbus_serial.c
@@ -509,7 +509,7 @@ static int configure_gpio(struct modbus_context *ctx)
 	struct modbus_serial_config *cfg = ctx->cfg;
 
 	if (cfg->de != NULL) {
-		if (!device_is_ready(cfg->de->port)) {
+		if (!gpio_is_ready_dt(cfg->de)) {
 			return -ENODEV;
 		}
 
@@ -520,7 +520,7 @@ static int configure_gpio(struct modbus_context *ctx)
 
 
 	if (cfg->re != NULL) {
-		if (!device_is_ready(cfg->re->port)) {
+		if (!gpio_is_ready_dt(cfg->re)) {
 			return -ENODEV;
 		}
 

Original file line number	Diff line number	Diff line change
`@@ -509,7 +509,7 @@ static int configure_gpio(struct modbus_context *ctx)`
`509`	`509`	`struct modbus_serial_config *cfg = ctx->cfg;`
`510`	`510`
`511`	`511`	`if (cfg->de != NULL) {`
`512`		`- if (!device_is_ready(cfg->de->port)) {`
	`512`	`+ if (!gpio_is_ready_dt(cfg->de)) {`
`513`	`513`	`return -ENODEV;`
`514`	`514`	`}`
`515`	`515`
`@@ -520,7 +520,7 @@ static int configure_gpio(struct modbus_context *ctx)`
`520`	`520`
`521`	`521`
`522`	`522`	`if (cfg->re != NULL) {`
`523`		`- if (!device_is_ready(cfg->re->port)) {`
	`523`	`+ if (!gpio_is_ready_dt(cfg->re)) {`
`524`	`524`	`return -ENODEV;`
`525`	`525`	`}`
`526`	`526`