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pinctrl: qcom: qdf2xxx: add names to the gpios

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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 <timur@codeaurora.org>
Acked-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Timur Tabi 2017-03-06 17:32:02 -06:00 committed by Linus Walleij
parent 728d3f5afd
commit a9ee6bd44c
1 changed files with 13 additions and 3 deletions
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16
drivers/pinctrl/qcom/pinctrl-qdf2xxx.c
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@ -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++) {
pins[i].number = i;
snprintf(names[i], NAME_SIZE, "gpio%u", i);
groups[i].npins = 1,
pins[i].number = i;
pins[i].name = names[i];
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;