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[46.138.85.91]) by smtp.gmail.com with ESMTPSA id v23sm93300lfr.208.2021.08.18.15.19.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 18 Aug 2021 15:19:39 -0700 (PDT) From: Dmitry Osipenko To: Jens Axboe , Thierry Reding , Jonathan Hunter , =?UTF-8?q?Micha=C5=82=20Miros=C5=82aw?= , David Heidelberg , Peter Geis , Ulf Hansson , Adrian Hunter , Christoph Hellwig , Davidlohr Bueso , Rob Herring , Ion Agorria , Svyatoslav Ryhel Cc: linux-tegra@vger.kernel.org, linux-block@vger.kernel.org, linux-efi Subject: [PATCH v6 0/5] Support EFI partition on NVIDIA Tegra devices Date: Thu, 19 Aug 2021 01:19:15 +0300 Message-Id: <20210818221920.3893-1-digetx@gmail.com> X-Mailer: git-send-email 2.32.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-efi@vger.kernel.org This series adds the most minimal EFI partition support for NVIDIA Tegra consumer devices, like Android tablets and game consoles, making theirs eMMC accessible out-of-the-box using downstream bootloader and mainline Linux kernel. eMMC now works on Acer A500 tablet and Ouya game console that are already well supported in mainline and internal storage is the only biggest thing left to support. Changelog: v6: - Added comment for the alternative_gpt_sector() callback, which was asked by Christoph Hellwig. - Changed alternative_gpt_sector() to take disk for the argument instead of blkdev. This was asked by Christoph Hellwig. - Dropped mmc_bdops check as it was suggested by Christoph Hellwig. - Added missing mmc_blk_put() that was spotted by Christoph Hellwig. - Moved GPT calculation into MMC core and added MMC_CAP2_ALT_GPT_SECTOR flag, like it was asked by Ulf Hansson. Me and Thierry have concerns about whether it's better to have Tegra-specific function in a core instead of Tegra driver, but it also works, so I decided to try that variant. v5: - Implemented alternative_gpt_sector() blk/mmc callback that was suggested by Christoph Hellwig in a comment to v4. - mmc_bdev_to_card() now checks blk fops instead of the major number, like it was suggested by Christoph Hellwig in a comment to v4. - Emailed Rob Herring, which was asked by Ulf Hansson in a comment to v4. Although the of-match change is gone now in v5, the matching is transformed into the new SDHCI quirk of the Tegra driver. v4: - Rebased on top of recent linux-next. v3: - Removed unnecessary v1 hunk that was left by accident in efi.c of v2. v2: - This is continuation of [1] where Davidlohr Bueso suggested that it should be better to avoid supporting in mainline the custom gpt_sector kernel cmdline parameter that downstream Android kernels use. We can do this for the devices that are already mainlined, so I dropped the cmdline from the v2 and left only the variant with a fixed GPT address. [1] https://lore.kernel.org/linux-efi/20210327212100.3834-3-digetx@gmail.com/T/ Dmitry Osipenko (5): block: Add alternative_gpt_sector() operation partitions/efi: Support non-standard GPT location mmc: core: Add raw_boot_mult field to mmc_ext_csd mmc: block: Support alternative_gpt_sector() operation mmc: sdhci-tegra: Enable MMC_CAP2_ALT_GPT_SECTOR block/partitions/efi.c | 12 ++++++++++++ drivers/mmc/core/block.c | 21 ++++++++++++++++++++ drivers/mmc/core/core.c | 35 ++++++++++++++++++++++++++++++++++ drivers/mmc/core/core.h | 2 ++ drivers/mmc/core/mmc.c | 2 ++ drivers/mmc/host/sdhci-tegra.c | 9 +++++++++ include/linux/blkdev.h | 7 +++++++ include/linux/mmc/card.h | 1 + include/linux/mmc/host.h | 1 + 9 files changed, 90 insertions(+) -- 2.32.0