From: Stanley Chu <stanley.chu@mediatek.com> To: linux-scsi@vger.kernel.org, martin.petersen@oracle.com, avri.altman@wdc.com, alim.akhtar@samsung.com, pedrom.sousa@synopsys.com Cc: marc.w.gonzalez@free.fr, andy.teng@mediatek.com, chun-hung.wu@mediatek.com, kuohong.wang@mediatek.com, evgreen@chromium.org, linux-mediatek@lists.infradead.org, peter.wang@mediatek.com, matthias.bgg@gmail.com, Stanley Chu <stanley.chu@mediatek.com>, linux-arm-kernel@lists.infradead.org, beanhuo@micron.com Subject: [PATCH v5 2/3] scsi: ufs: Do not overwrite Auto-Hibernate timer Date: Tue, 21 May 2019 14:44:53 +0800 [thread overview] Message-ID: <1558421094-3182-3-git-send-email-stanley.chu@mediatek.com> (raw) In-Reply-To: <1558421094-3182-1-git-send-email-stanley.chu@mediatek.com> Some vendor-specific initialization flow may set its own auto-hibernate timer. In this case, do not overwrite timer value as "default value" in ufshcd_init(). Signed-off-by: Stanley Chu <stanley.chu@mediatek.com> Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com> --- drivers/scsi/ufs/ufshcd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c index 0cf698d05426..7cd757558203 100644 --- a/drivers/scsi/ufs/ufshcd.c +++ b/drivers/scsi/ufs/ufshcd.c @@ -8312,7 +8312,7 @@ int ufshcd_init(struct ufs_hba *hba, void __iomem *mmio_base, unsigned int irq) UIC_LINK_HIBERN8_STATE); /* Set the default auto-hiberate idle timer value to 150 ms */ - if (ufshcd_is_auto_hibern8_supported(hba)) { + if (ufshcd_is_auto_hibern8_supported(hba) && !hba->ahit) { hba->ahit = FIELD_PREP(UFSHCI_AHIBERN8_TIMER_MASK, 150) | FIELD_PREP(UFSHCI_AHIBERN8_SCALE_MASK, 3); } -- 2.18.0
WARNING: multiple messages have this Message-ID (diff)
From: Stanley Chu <stanley.chu@mediatek.com> To: <linux-scsi@vger.kernel.org>, <martin.petersen@oracle.com>, <avri.altman@wdc.com>, <alim.akhtar@samsung.com>, <pedrom.sousa@synopsys.com> Cc: marc.w.gonzalez@free.fr, andy.teng@mediatek.com, chun-hung.wu@mediatek.com, kuohong.wang@mediatek.com, evgreen@chromium.org, linux-mediatek@lists.infradead.org, peter.wang@mediatek.com, matthias.bgg@gmail.com, Stanley Chu <stanley.chu@mediatek.com>, linux-arm-kernel@lists.infradead.org, beanhuo@micron.com Subject: [PATCH v5 2/3] scsi: ufs: Do not overwrite Auto-Hibernate timer Date: Tue, 21 May 2019 14:44:53 +0800 [thread overview] Message-ID: <1558421094-3182-3-git-send-email-stanley.chu@mediatek.com> (raw) In-Reply-To: <1558421094-3182-1-git-send-email-stanley.chu@mediatek.com> Some vendor-specific initialization flow may set its own auto-hibernate timer. In this case, do not overwrite timer value as "default value" in ufshcd_init(). Signed-off-by: Stanley Chu <stanley.chu@mediatek.com> Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com> --- drivers/scsi/ufs/ufshcd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c index 0cf698d05426..7cd757558203 100644 --- a/drivers/scsi/ufs/ufshcd.c +++ b/drivers/scsi/ufs/ufshcd.c @@ -8312,7 +8312,7 @@ int ufshcd_init(struct ufs_hba *hba, void __iomem *mmio_base, unsigned int irq) UIC_LINK_HIBERN8_STATE); /* Set the default auto-hiberate idle timer value to 150 ms */ - if (ufshcd_is_auto_hibern8_supported(hba)) { + if (ufshcd_is_auto_hibern8_supported(hba) && !hba->ahit) { hba->ahit = FIELD_PREP(UFSHCI_AHIBERN8_TIMER_MASK, 150) | FIELD_PREP(UFSHCI_AHIBERN8_SCALE_MASK, 3); } -- 2.18.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2019-05-21 6:44 UTC|newest] Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-05-21 6:44 [PATCH v5 0/3] scsi: ufs: Add error handling of Auto-Hibernate Stanley Chu 2019-05-21 6:44 ` Stanley Chu 2019-05-21 6:44 ` Stanley Chu [this message] 2019-05-21 6:44 ` [PATCH v5 2/3] scsi: ufs: Do not overwrite Auto-Hibernate timer Stanley Chu 2019-05-21 6:44 ` [PATCH v5 3/3] scsi: ufs: Add error-handling of Auto-Hibernate Stanley Chu 2019-05-21 6:44 ` Stanley Chu [not found] ` <1558421094-3182-1-git-send-email-stanley.chu-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org> 2019-05-21 6:44 ` [PATCH v5 1/3] scsi: ufs: Introduce ufshcd_is_auto_hibern8_supported() Stanley Chu 2019-05-21 6:44 ` Stanley Chu 2019-05-21 8:41 ` [PATCH v5 0/3] scsi: ufs: Add error handling of Auto-Hibernate Avri Altman 2019-05-21 8:41 ` Avri Altman 2019-05-30 2:19 ` Martin K. Petersen 2019-05-30 2:19 ` Martin K. Petersen
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