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Mon, 07 Apr 2025 03:17:07 -0700 (PDT) From: Neil Armstrong Date: Mon, 07 Apr 2025 12:17:04 +0200 Subject: [PATCH RFT v3 2/3] ufs: core: track when MCQ ESI is enabled Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250407-topic-ufs-use-threaded-irq-v3-2-08bee980f71e@linaro.org> References: <20250407-topic-ufs-use-threaded-irq-v3-0-08bee980f71e@linaro.org> In-Reply-To: <20250407-topic-ufs-use-threaded-irq-v3-0-08bee980f71e@linaro.org> To: Alim Akhtar , Avri Altman , Bart Van Assche , "James E.J. Bottomley" , "Martin K. Petersen" Cc: Manivannan Sadhasivam , linux-arm-msm@vger.kernel.org, linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org, Neil Armstrong X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=1722; i=neil.armstrong@linaro.org; h=from:subject:message-id; bh=YWJ34j7xCQDhTiMNfYYLeseOAG7KJPfmn+Y8UFFCVW0=; b=owEBbQKS/ZANAwAKAXfc29rIyEnRAcsmYgBn86YhSTaWBCZtRUbhDHyJiFKzongiGQ0xTg4YuL1O an7H57uJAjMEAAEKAB0WIQQ9U8YmyFYF/h30LIt33NvayMhJ0QUCZ/OmIQAKCRB33NvayMhJ0YvJD/ wJohh7fChJ0XzWfnyC+njGmkEzzkUh0SDs+P4U82VzN/EQxwt6KlVpAlMPKqbsSkHnrOTLKFarmnMF q1mhKXpRXRqH2Kt4WK6O502B+vzqEE29+pwbBh4fbS8scAzE3GJnb5S6cCzYa0NHW7ugOFjDCV7Z2L mIH7AIRa+NmxQJcCD1ZxKAPgRYTSvh8Bm2qm1MEn8gpwd6ynB4iNcqJpzHAA3p/okBRD9cFevyp0Xp 4mWQxyeqV2WyVCKfES+rGrnf301W56PGoclpr9QPppDJ9aDW6TgRnWHTfFF0//GFihEm+Oypp21Ysm X5VYQ2KLuG3UxIbTAykngEnx+Mgr2N/qX47KU1IVJRkEX/Y+OIxY6hSRZ6NrcmzDwJC5i+QLiO/eWE XQF1vISdKXPm8PkOUolcu0+srQq1O7b+Mx/FV8gSMS2vuiTHDCPLMixY+vZsE6E4UlM3s7gr4ewIAF TLRUjmuXT+c5ZOP1sYeazBzUfCvIN2tWM11gyAzZJEVpdqCuFiaXjJoKABUcnoTfHt3I4e9Mfnlrnp M+1aOjedD7B+MynnyCLOvY6aq0Q1Gc1pxRsj3Ygfk9MPlk/AAEXb6uZwSJfVEPez82HV2MTFuzMSsZ YQOlz9HWKgasKsVvf3xYWr8FDjfg+H61eZg4NHMza7UdF3E6OsGdpZPUxFJA== X-Developer-Key: i=neil.armstrong@linaro.org; a=openpgp; fpr=89EC3D058446217450F22848169AB7B1A4CFF8AE In preparation of adding a threaded interrupt handler, track when the MCQ ESI interrupt handlers were installed so we can optimize the MCQ interrupt handling to avoid walking the threaded handler in the case ESI handlers are enabled. Signed-off-by: Neil Armstrong Reviewed-by: Bart Van Assche --- drivers/ufs/core/ufshcd.c | 1 + include/ufs/ufshcd.h | 2 ++ 2 files changed, 3 insertions(+) diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c index 5e73ac1e00788f3d599f0b3eb6e2806df9b6f6c3..7f256f77b8ba9853569157db778= 5d177b6cd6dee 100644 --- a/drivers/ufs/core/ufshcd.c +++ b/drivers/ufs/core/ufshcd.c @@ -8717,6 +8717,7 @@ static void ufshcd_config_mcq(struct ufs_hba *hba) u32 intrs; =20 ret =3D ufshcd_mcq_vops_config_esi(hba); + hba->mcq_esi_enabled =3D !ret; dev_info(hba->dev, "ESI %sconfigured\n", ret ? "is not " : ""); =20 intrs =3D UFSHCD_ENABLE_MCQ_INTRS; diff --git a/include/ufs/ufshcd.h b/include/ufs/ufshcd.h index fffa9cc465433604570f91b8e882b58cd985f35b..ec999fa671240cb87bf540d339a= a830b6847eb71 100644 --- a/include/ufs/ufshcd.h +++ b/include/ufs/ufshcd.h @@ -954,6 +954,7 @@ enum ufshcd_mcq_opr { * ufshcd_resume_complete() * @mcq_sup: is mcq supported by UFSHC * @mcq_enabled: is mcq ready to accept requests + * @mcq_esi_enabled: is mcq ESI configured * @res: array of resource info of MCQ registers * @mcq_base: Multi circular queue registers base address * @uhq: array of supported hardware queues @@ -1122,6 +1123,7 @@ struct ufs_hba { bool mcq_sup; bool lsdb_sup; bool mcq_enabled; + bool mcq_esi_enabled; struct ufshcd_res_info res[RES_MAX]; void __iomem *mcq_base; struct ufs_hw_queue *uhq; --=20 2.34.1