diff options
| author | Biju Das <biju.das.jz@bp.renesas.com> | 2025-09-21 12:15:52 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-12-18 13:54:41 +0100 |
| commit | d87a89c5a7eba6b8cb8f004bbb2337f8b301b8c7 (patch) | |
| tree | c0f491fe1c0d454ada5d52498c73017e274a0a97 /drivers/pinctrl | |
| parent | 1f925f9047a4f5367266b7dfa9ff82feb4f2a7a4 (diff) | |
pinctrl: renesas: rzg2l: Fix PMC restore
[ Upstream commit cea950101108b7bfffe26ec4007b8e263a4b56a8 ]
PMC restore needs unlocking the register using the PWPR register.
Fixes: ede014cd1ea6422d ("pinctrl: renesas: rzg2l: Add function pointer for PMC register write")
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://patch.msgid.link/20250921111557.103069-2-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/pinctrl')
| -rw-r--r-- | drivers/pinctrl/renesas/pinctrl-rzg2l.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/pinctrl/renesas/pinctrl-rzg2l.c b/drivers/pinctrl/renesas/pinctrl-rzg2l.c index 698ab8cc970a..c6ef77472d9a 100644 --- a/drivers/pinctrl/renesas/pinctrl-rzg2l.c +++ b/drivers/pinctrl/renesas/pinctrl-rzg2l.c @@ -2807,7 +2807,11 @@ static void rzg2l_pinctrl_pm_setup_regs(struct rzg2l_pinctrl *pctrl, bool suspen * Now cache the registers or set them in the order suggested by * HW manual (section "Operation for GPIO Function"). */ - RZG2L_PCTRL_REG_ACCESS8(suspend, pctrl->base + PMC(off), cache->pmc[port]); + if (suspend) + RZG2L_PCTRL_REG_ACCESS8(suspend, pctrl->base + PMC(off), cache->pmc[port]); + else + pctrl->data->pmc_writeb(pctrl, cache->pmc[port], PMC(off)); + if (has_iolh) { RZG2L_PCTRL_REG_ACCESS32(suspend, pctrl->base + IOLH(off), cache->iolh[0][port]); |