From nobody Sun Feb 8 07:07:37 2026 Received: from azure-sdnproxy.icoremail.net (azure-sdnproxy.icoremail.net [52.237.72.81]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 27CFB39447C; Wed, 14 Jan 2026 12:23:09 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=52.237.72.81 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768393393; cv=none; b=KeK7/EXWi9BECJTgbeiL1GJVLlSO7veENGj7xVrkcxBeDn+bOjuhsYHXvwO64EH9/uVErPiWLs4wWj8gn9mijvasSBGjHvJr8qwpFROwHfR/e93aoE7ZbGS+RqqLVMy3Z+7Dq+lcn1GJfSdDEbWFMcBSXWJX1KfP9x4OSLi1tOg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768393393; c=relaxed/simple; bh=GrWSKSwZtvr+JMHE5z+04H9SwwgIwWz5iLjIuhBx4kY=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=IprBVWeQfVsZ0uaUavmn77JEhsgRxOSxH1tX4xVk1B1tKiS6A/kWOwX9Qa1mdGFeJh8GDFSdsLoUbP438PFXxndPzukuQdjLmfsGp6v5gs7FLJwVjNcfl+wL3cQWrsde6PcnGxN5H7bFyqeMo4l4u2+hsEEsgo8fU89oK7+NbmE= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=eswincomputing.com; spf=pass smtp.mailfrom=eswincomputing.com; arc=none smtp.client-ip=52.237.72.81 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=eswincomputing.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=eswincomputing.com Received: from E0005182LT.eswin.cn (unknown [10.12.96.155]) by app1 (Coremail) with SMTP id TAJkCgCH22yjimdpwzcBAA--.5985S2; Wed, 14 Jan 2026 20:23:00 +0800 (CST) From: hehuan1@eswincomputing.com To: adrian.hunter@intel.com, ulf.hansson@linaro.org, linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org Cc: ningyu@eswincomputing.com, linmin@eswincomputing.com, pinkesh.vaghela@einfochips.com, xuxiang@eswincomputing.com, hehuan1@eswincomputing.com Subject: [PATCH v1] mmc: sdhci-of-dwcmshc: fix DMA 128MB boundary Date: Wed, 14 Jan 2026 20:22:56 +0800 Message-Id: <20260114122256.1587-1-hehuan1@eswincomputing.com> X-Mailer: git-send-email 2.31.1.windows.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CM-TRANSID: TAJkCgCH22yjimdpwzcBAA--.5985S2 X-Coremail-Antispam: 1UD129KBjvdXoWrZF47JFWUGw1kAr45Aw1xGrg_yoWDJFg_Ca 4UX3Z7uFy8ArZ2vw12yF9Iyr1rCa4YgF1DWry0g3yYk3W3ur1kXFn2vr1DJr45WF42kFW7 GrZ8JrWxXFsrKjkaLaAFLSUrUUUUbb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJTRUUUbhxFF20E14v26r4j6ryUM7CY07I20VC2zVCF04k26cxKx2IYs7xG 6rWj6s0DM7CIcVAFz4kK6r1j6r18M28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48ve4kI8w A2z4x0Y4vE2Ix0cI8IcVAFwI0_Ar0_tr1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI0_Cr0_ Gr1UM28EF7xvwVC2z280aVAFwI0_GcCE3s1l84ACjcxK6I8E87Iv6xkF7I0E14v26rxl6s 0DM2AIxVAIcxkEcVAq07x20xvEncxIr21l5I8CrVACY4xI64kE6c02F40Ex7xfMcIj6xII jxv20xvE14v26r126r1DMcIj6xkF7I0En7xvr7AKxVWUJVW8JwAv7VC2z280aVAFwI0_Jr 0_Gr1lOx8S6xCaFVCjc4AY6r1j6r4UM4x0Y48IcxkI7VAKI48JM4x0x7Aq67IIx4CEVc8v x2IErcIFxwAKzVCY07xG64k0F24lc7CjxVAaw2AFwI0_Jw0_GFylc2xSY4AK6svPMxAIw2 8IcxkI7VAKI48JMxC20s026xCaFVCjc4AY6r1j6r4UMI8I3I0E5I8CrVAFwI0_Jr0_Jr4l x2IqxVCjr7xvwVAFwI0_JrI_JrWlx4CE17CEb7AF67AKxVWUtVW8ZwCIc40Y0x0EwIxGrw CI42IY6xIIjxv20xvE14v26r1j6r1xMIIF0xvE2Ix0cI8IcVCY1x0267AKxVW8JVWxJwCI 42IY6xAIw20EY4v20xvaj40_Jr0_JF4lIxAIcVC2z280aVAFwI0_Jr0_Gr1lIxAIcVC2z2 80aVCY1x0267AKxVW8JVW8JrUvcSsGvfC2KfnxnUUI43ZEXa7VUbU73PUUUUU== X-CM-SenderInfo: 5khk3tzqr6v25zlqu0xpsx3x1qjou0bp/ Content-Type: text/plain; charset="utf-8" From: Huan He This DWC MSHC has a 128MB limitation where the data buffer size and start address must not exceed the 128MB boundary. Registering the missing 'adma_write_desc' callback function. Signed-off-by: Huan He Acked-by: Adrian Hunter --- drivers/mmc/host/sdhci-of-dwcmshc.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/mmc/host/sdhci-of-dwcmshc.c b/drivers/mmc/host/sdhci-o= f-dwcmshc.c index 51949cde0958..cabb709a8108 100644 --- a/drivers/mmc/host/sdhci-of-dwcmshc.c +++ b/drivers/mmc/host/sdhci-of-dwcmshc.c @@ -1726,6 +1726,7 @@ static const struct sdhci_ops sdhci_dwcmshc_eic7700_o= ps =3D { .set_uhs_signaling =3D sdhci_eic7700_set_uhs_wrapper, .set_power =3D sdhci_set_power_and_bus_voltage, .irq =3D dwcmshc_cqe_irq_handler, + .adma_write_desc =3D dwcmshc_adma_write_desc, .platform_execute_tuning =3D sdhci_eic7700_executing_tuning, }; =20 --=20 2.25.1