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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 <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
View File

@ -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;