pinctrl: renesas: Fix register usage in sh_pfc_{read,write}

The sh_pfc_{read,write}() must operate on the register address directly
rather than on an offset, fix this to prevent illegal access.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
lime2-spi
Marek Vasut 6 years ago
parent 378b29cbc6
commit 5af6541972
  1. 4
      drivers/pinctrl/renesas/pfc.c

@ -121,7 +121,7 @@ void sh_pfc_write_raw_reg(void __iomem *mapped_reg, unsigned int reg_width,
u32 sh_pfc_read(struct sh_pfc *pfc, u32 reg)
{
return sh_pfc_read_raw_reg(pfc->regs + reg, 32);
return sh_pfc_read_raw_reg((void __iomem *)(uintptr_t)reg, 32);
}
void sh_pfc_write(struct sh_pfc *pfc, u32 reg, u32 data)
@ -132,7 +132,7 @@ void sh_pfc_write(struct sh_pfc *pfc, u32 reg, u32 data)
if (pfc->info->unlock_reg)
sh_pfc_write_raw_reg(unlock_reg, 32, ~data);
sh_pfc_write_raw_reg(pfc->regs + reg, 32, data);
sh_pfc_write_raw_reg((void __iomem *)(uintptr_t)reg, 32, data);
}
static void sh_pfc_config_reg_helper(struct sh_pfc *pfc,

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