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Sun, 05 Oct 2025 18:37:17 -0700 (PDT) Received: from Michael-ArchMiniPC.shack.lan ([75.167.107.197]) by smtp.gmail.com with ESMTPSA id 46e09a7af769-7bf3fdcfb69sm3462870a34.13.2025.10.05.18.37.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 05 Oct 2025 18:37:16 -0700 (PDT) From: Michael Garofalo X-Google-Original-From: Michael Garofalo To: adrian.hunter@intel.com, ulf.hansson@linaro.org Cc: linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org, Michael Garofalo Subject: [PATCH 2/2] mmc: sdhci-of-hlwd: disable bounce buffer usage Date: Sun, 5 Oct 2025 18:37:00 -0700 Message-ID: <20251006013700.2272166-3-officialTechflashYT@gmail.com> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20251006013700.2272166-1-officialTechflashYT@gmail.com> References: <20251006013700.2272166-1-officialTechflashYT@gmail.com> Precedence: bulk X-Mailing-List: linux-mmc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit On the SDHCI controller in the Nintendo Wii's "Hollywood" chipset, using bounce buffers causes the internal Broadcom 4318 Wi-Fi to fail on most data transfers. Disabling bounce buffer usage allows reliable transmission again. Signed-off-by: Michael Garofalo --- drivers/mmc/host/sdhci-of-hlwd.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/mmc/host/sdhci-of-hlwd.c b/drivers/mmc/host/sdhci-of-hlwd.c index 5bb845d13599..59736ae85c14 100644 --- a/drivers/mmc/host/sdhci-of-hlwd.c +++ b/drivers/mmc/host/sdhci-of-hlwd.c @@ -63,6 +63,7 @@ static const struct sdhci_ops sdhci_hlwd_ops = { static const struct sdhci_pltfm_data sdhci_hlwd_pdata = { .quirks = SDHCI_QUIRK_32BIT_DMA_ADDR | SDHCI_QUIRK_32BIT_DMA_SIZE, + .quirks2 = SDHCI_QUIRK2_NO_BOUNCE_BUFFER, .ops = &sdhci_hlwd_ops, }; -- 2.51.0