All of lore.kernel.org
 help / color / mirror / Atom feed
* [PATCH v2 1/1] i2c: designware: set pinctrl recovery information from device pinctrl
@ 2022-12-14 14:27 Hanna Hawa
  2022-12-14 16:09 ` Andy Shevchenko
                   ` (2 more replies)
  0 siblings, 3 replies; 13+ messages in thread
From: Hanna Hawa @ 2022-12-14 14:27 UTC (permalink / raw)
  To: jarkko.nikula, andriy.shevchenko, mika.westerberg, jsd
  Cc: linux-i2c, linux-kernel, dwmw, benh, ronenk, talel, jonnyc,
	hanochu, farbere, itamark, Hanna Hawa

The current implementation of designware recovery mechanism fit for
specific device (Intel / Altera Cyclone V SOC) which have two separated
"wired" GPIOs to the i2c bus via the SOC FPGA for the i2c recovery.

Make pinctrl recovery information to points to the device pinctrl by
setting the rinfo->pinctrl to dev->pins->p.

Change Log v1->v2:
- set the rinfo->pinctrl to dev->pins->p instead calling
  devm_pinctrl_get().

Signed-off-by: Hanna Hawa <hhhawa@amazon.com>
---
 drivers/i2c/busses/i2c-designware-master.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/i2c/busses/i2c-designware-master.c b/drivers/i2c/busses/i2c-designware-master.c
index dc3c5a15a95b..16a4cd68567c 100644
--- a/drivers/i2c/busses/i2c-designware-master.c
+++ b/drivers/i2c/busses/i2c-designware-master.c
@@ -17,6 +17,7 @@
 #include <linux/interrupt.h>
 #include <linux/io.h>
 #include <linux/module.h>
+#include <linux/pinctrl/devinfo.h>
 #include <linux/pm_runtime.h>
 #include <linux/regmap.h>
 #include <linux/reset.h>
@@ -832,6 +833,9 @@ static int i2c_dw_init_recovery_info(struct dw_i2c_dev *dev)
 	struct i2c_adapter *adap = &dev->adapter;
 	struct gpio_desc *gpio;
 
+	if (dev->dev->pins && dev->dev->pins->p)
+		rinfo->pinctrl = dev->dev->pins->p;
+
 	gpio = devm_gpiod_get_optional(dev->dev, "scl", GPIOD_OUT_HIGH);
 	if (IS_ERR_OR_NULL(gpio))
 		return PTR_ERR_OR_ZERO(gpio);
-- 
2.38.1


^ permalink raw reply related	[flat|nested] 13+ messages in thread

end of thread, other threads:[~2022-12-20 10:55 UTC | newest]

Thread overview: 13+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2022-12-14 14:27 [PATCH v2 1/1] i2c: designware: set pinctrl recovery information from device pinctrl Hanna Hawa
2022-12-14 16:09 ` Andy Shevchenko
2022-12-15  8:15   ` Hawa, Hanna
2022-12-15 10:27     ` Andy Shevchenko
2022-12-15 14:06       ` Linus Walleij
2022-12-15 14:25         ` Hawa, Hanna
2022-12-15 15:22         ` Andy Shevchenko
2022-12-16 13:50       ` Hawa, Hanna
2022-12-16 14:46         ` Andy Shevchenko
2022-12-19 19:35           ` Hawa, Hanna
2022-12-20 10:54             ` Andy Shevchenko
2022-12-14 19:14 ` kernel test robot
2022-12-15  0:17 ` kernel test robot

This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.