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[80.251.214.228]) by smtp.gmail.com with ESMTPSA id g1sm2283304pgs.23.2021.07.14.02.59.07 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 14 Jul 2021 02:59:10 -0700 (PDT) From: Shawn Guo To: Dmitry Torokhov Cc: Luca Weiss , Bjorn Andersson , Matteo Croce , Andrew Morton , Petr Mladek , "Rafael J . Wysocki" , linux-arm-msm@vger.kernel.org, linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, Shawn Guo Subject: [PATCH v2 2/2] Input: pm8941-pwrkey - Respect reboot_mode for warm reset Date: Wed, 14 Jul 2021 17:58:49 +0800 Message-Id: <20210714095850.27185-3-shawn.guo@linaro.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210714095850.27185-1-shawn.guo@linaro.org> References: <20210714095850.27185-1-shawn.guo@linaro.org> Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org On some devices, e.g. Sony Xperia M4 Aqua, warm reset is used to reboot device into bootloader and recovery mode. Instead of always doing hard reset, add a check on reboot_mode for possible warm reset. Signed-off-by: Shawn Guo --- drivers/input/misc/pm8941-pwrkey.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) -- 2.17.1 Tested-by: Luca Weiss diff --git a/drivers/input/misc/pm8941-pwrkey.c b/drivers/input/misc/pm8941-pwrkey.c index cf8104454e74..9b14d6eb1918 100644 --- a/drivers/input/misc/pm8941-pwrkey.c +++ b/drivers/input/misc/pm8941-pwrkey.c @@ -27,6 +27,7 @@ #define PON_PS_HOLD_RST_CTL2 0x5b #define PON_PS_HOLD_ENABLE BIT(7) #define PON_PS_HOLD_TYPE_MASK 0x0f +#define PON_PS_HOLD_TYPE_WARM_RESET 1 #define PON_PS_HOLD_TYPE_SHUTDOWN 4 #define PON_PS_HOLD_TYPE_HARD_RESET 7 @@ -93,7 +94,10 @@ static int pm8941_reboot_notify(struct notifier_block *nb, break; case SYS_RESTART: default: - reset_type = PON_PS_HOLD_TYPE_HARD_RESET; + if (reboot_mode == REBOOT_WARM) + reset_type = PON_PS_HOLD_TYPE_WARM_RESET; + else + reset_type = PON_PS_HOLD_TYPE_HARD_RESET; break; }