From a9ee6bd44cc808ab1ec5d9a54899addd777e8342 Mon Sep 17 00:00:00 2001 From: Timur Tabi Date: Mon, 6 Mar 2017 17:32:02 -0600 Subject: [PATCH] pinctrl: qcom: qdf2xxx: add names to the gpios The sysfs and debugfs entries for pin control drivers work better when the individual pins are given real names, even if they are all just "gpio0", "gpio1", etc. Signed-off-by: Timur Tabi Acked-by: Bjorn Andersson Signed-off-by: Linus Walleij --- drivers/pinctrl/qcom/pinctrl-qdf2xxx.c | 14 ++++++++++++-- 1 file changed, 12 insertions(+), 2 deletions(-) diff --git a/drivers/pinctrl/qcom/pinctrl-qdf2xxx.c b/drivers/pinctrl/qcom/pinctrl-qdf2xxx.c index f448534edf46..bb3ce5c3e18b 100644 --- a/drivers/pinctrl/qcom/pinctrl-qdf2xxx.c +++ b/drivers/pinctrl/qcom/pinctrl-qdf2xxx.c @@ -35,10 +35,14 @@ static struct msm_pinctrl_soc_data qdf2xxx_pinctrl; /* A reasonable limit to the number of GPIOS */ #define MAX_GPIOS 256 +/* maximum size of each gpio name (enough room for "gpioXXX" + null) */ +#define NAME_SIZE 8 + static int qdf2xxx_pinctrl_probe(struct platform_device *pdev) { struct pinctrl_pin_desc *pins; struct msm_pingroup *groups; + char (*names)[NAME_SIZE]; unsigned int i; u32 num_gpios; int ret; @@ -59,15 +63,21 @@ static int qdf2xxx_pinctrl_probe(struct platform_device *pdev) sizeof(struct pinctrl_pin_desc), GFP_KERNEL); groups = devm_kcalloc(&pdev->dev, num_gpios, sizeof(struct msm_pingroup), GFP_KERNEL); + names = devm_kcalloc(&pdev->dev, num_gpios, NAME_SIZE, GFP_KERNEL); - if (!pins || !groups) + if (!pins || !groups || !names) return -ENOMEM; for (i = 0; i < num_gpios; i++) { + snprintf(names[i], NAME_SIZE, "gpio%u", i); + pins[i].number = i; + pins[i].name = names[i]; - groups[i].npins = 1, + groups[i].npins = 1; + groups[i].name = names[i]; groups[i].pins = &pins[i].number; + groups[i].ctl_reg = 0x10000 * i; groups[i].io_reg = 0x04 + 0x10000 * i; groups[i].intr_cfg_reg = 0x08 + 0x10000 * i; -- 2.20.1