Commit 8990cd29 authored by Geert Uytterhoeven's avatar Geert Uytterhoeven
Browse files

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: default avatarGeert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: default avatarNiklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Link: https://lore.kernel.org/r/20200110131927.1029-11-geert+renesas@glider.be
parent 08df16e0

drivers/pinctrl/sh-pfc/core.c

+16 −0
Original line number Diff line number Diff line
@@ -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)

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