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clocksource/drivers/sh_cmt: Don't use CMTOUT_IE with R-Car Gen2/3

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CMTOUT_IE is only supported for older SoCs. Newer SoCs shall not set
this bit. So, add a version check.

Reported-by: Phong Hoang <phong.hoang.wz@renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20210309094448.31823-1-wsa+renesas@sang-engineering.com
This commit is contained in:
Wolfram Sang 2021-03-09 10:44:48 +01:00 committed by Daniel Lezcano
parent a47d7ef455
commit 68c70aae06
1 changed files with 3 additions and 2 deletions
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5
drivers/clocksource/sh_cmt.c
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@ -339,8 +339,9 @@ static int sh_cmt_enable(struct sh_cmt_channel *ch)
sh_cmt_write_cmcsr(ch, SH_CMT16_CMCSR_CMIE |
SH_CMT16_CMCSR_CKS512);
} else {
sh_cmt_write_cmcsr(ch, SH_CMT32_CMCSR_CMM |
SH_CMT32_CMCSR_CMTOUT_IE |
u32 cmtout = ch->cmt->info->model <= SH_CMT_48BIT ?
SH_CMT32_CMCSR_CMTOUT_IE : 0;
sh_cmt_write_cmcsr(ch, cmtout | SH_CMT32_CMCSR_CMM |
SH_CMT32_CMCSR_CMR_IRQ |
SH_CMT32_CMCSR_CKS_RCLK8);
}