diff options
| author |   Geert Uytterhoeven <geert+renesas@glider.be> | 2020-01-10 14:19:24 +0100 |
|---|---|---|
| committer | Geert Uytterhoeven <geert+renesas@glider.be> | 2020-02-21 13:57:44 +0100 |
| commit | 8990cd297f1508904d3773f6a2c5af531e8649ca (patch) | |
| tree | 53480396a51d321fe3f61c18a0b09636d2e6cb5d | |
| parent | pinctrl: sh-pfc: checker: Add drive strength register checks (diff) | |
| download | linux-dev-8990cd297f1508904d3773f6a2c5af531e8649ca.tar.xz linux-dev-8990cd297f1508904d3773f6a2c5af531e8649ca.zip | |
pinctrl: sh-pfc: checker: Add bias register checks
Add checks for bias register descriptors:
1. Pull-up and optional pull-down register addresses must be unique,
2. Referred pins must exist.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Link: https://lore.kernel.org/r/20200110131927.1029-11-geert+renesas@glider.be
| -rw-r--r-- | drivers/pinctrl/sh-pfc/core.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/pinctrl/sh-pfc/core.c b/drivers/pinctrl/sh-pfc/core.c index 8304832e7c39..fcd11d83ee41 100644 --- a/drivers/pinctrl/sh-pfc/core.c +++ b/drivers/pinctrl/sh-pfc/core.c @@ -888,6 +888,18 @@ static void __init sh_pfc_check_drive_reg(const struct sh_pfc_soc_info *info, } } +static void __init sh_pfc_check_bias_reg(const struct sh_pfc_soc_info *info, + const struct pinmux_bias_reg *bias) +{ + unsigned int i; + + sh_pfc_check_reg(info->name, bias->puen); + if (bias->pud) + sh_pfc_check_reg(info->name, bias->pud); + for (i = 0; i < ARRAY_SIZE(bias->pins); i++) + sh_pfc_check_pin(info, bias->puen, bias->pins[i]); +} + static void __init sh_pfc_check_info(const struct sh_pfc_soc_info *info) { const char *drvname = info->name; @@ -984,6 +996,10 @@ static void __init sh_pfc_check_info(const struct sh_pfc_soc_info *info) /* Check drive strength registers */ for (i = 0; info->drive_regs && info->drive_regs[i].reg; i++) sh_pfc_check_drive_reg(info, &info->drive_regs[i]); + + /* Check bias registers */ + for (i = 0; info->bias_regs && info->bias_regs[i].puen; i++) + sh_pfc_check_bias_reg(info, &info->bias_regs[i]); } static void __init sh_pfc_check_driver(const struct platform_driver *pdrv) |