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pinctrl: sh-pfc: checker: Add bias register checks

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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
This commit is contained in:
Geert Uytterhoeven 2020-01-10 14:19:24 +01:00
parent 08df16e07a
commit 8990cd297f
1 changed files with 16 additions and 0 deletions
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16
drivers/pinctrl/sh-pfc/core.c
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@ -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)