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01d8e41c16
Changelog: https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.51 Removed upstreamed: generic/backport-6.6/200-regmap-maple-work-around-false-positive-warning.patch generic/backport-6.6/822-v6.11-0012-nvmem-Fix-return-type-of-devm_nvmem_device_get-in-ke.patch bcm27xx/patches-6.6/950-1018-drivers-mmc-apply-SD-quirks-earlier-during-probe.patch Manually rebased: bcm27xx/patches-6.6/950-0993-drivers-mmc-cqhci-clear-CQHCI_CTL-if-halt-fails.patch ramips/patches-6.6/311-MIPS-use-set_mode-to-enable-disable-the-cevt-r4k-irq.patch[4] All other patches automatically rebased. 1. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v6.6.51&id=e42ea96d6d36a16526cb82b8aa2e5422814c3250 2. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v6.6.51&id=3d1baf322a3a69b38b6b2d511cfe0d611d1b5462 3. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v6.6.51&id=115a755bb38db5a1175be44e6a9a93a0a8233885 4. Adapted the changes from Hauke Mehrtens' modification in PR#16366 to 5.15.167 Build system: x86/64 Build-tested: x86/64/AMD Cezanne, flogic/xiaomi_redmi-router-ax6000-ubootmod, ramips/tplink_archer-a6-v3 Run-tested: x86/64/AMD Cezanne, flogic/xiaomi_redmi-router-ax6000-ubootmod, ramips/tplink_archer-a6-v3 Signed-off-by: John Audia <therealgraysky@proton.me> Link: https://github.com/openwrt/openwrt/pull/16370 Signed-off-by: Robert Marko <robimarko@gmail.com>
54 lines
1.8 KiB
Diff
54 lines
1.8 KiB
Diff
From b16e3d359b99c5771f9a22f74cbd193c7f14f895 Mon Sep 17 00:00:00 2001
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From: Jonathan Bell <jonathan@raspberrypi.com>
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Date: Tue, 26 Mar 2024 14:58:58 +0000
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Subject: [PATCH 0997/1085] drivers: mmc: handle 1024-byte SD General Info
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lengths
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The spec allows for up to two 512-byte pages to be allocated for the
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Extension Register General Info block, so allocate accordingly.
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Signed-off-by: Jonathan Bell <jonathan@raspberrypi.com>
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---
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drivers/mmc/core/sd.c | 19 ++++++++++++++-----
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1 file changed, 14 insertions(+), 5 deletions(-)
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--- a/drivers/mmc/core/sd.c
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+++ b/drivers/mmc/core/sd.c
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@@ -1177,7 +1177,7 @@ static int mmc_sd_read_ext_regs(struct m
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if (!(card->scr.cmds & SD_SCR_CMD48_SUPPORT))
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return 0;
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- gen_info_buf = kzalloc(512, GFP_KERNEL);
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+ gen_info_buf = kzalloc(1024, GFP_KERNEL);
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if (!gen_info_buf)
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return -ENOMEM;
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@@ -1208,14 +1208,23 @@ static int mmc_sd_read_ext_regs(struct m
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num_ext = gen_info_buf[4];
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/*
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- * We only support revision 0 and limit it to 512 bytes for simplicity.
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+ * We only support revision 0 and up to the spec-defined maximum of 1K.
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* No matter what, let's return zero to allow us to continue using the
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* card, even if we can't support the features from the SD function
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* extensions registers.
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*/
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- if (rev != 0 || len > 512) {
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- pr_warn("%s: non-supported SD ext reg layout\n",
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- mmc_hostname(card->host));
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+ if (rev != 0 || len > 1024) {
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+ pr_warn("%s: non-supported SD ext reg layout rev %u length %u\n",
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+ mmc_hostname(card->host), rev, len);
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+ goto out;
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+ }
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+
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+ /* If the General Information block spills into the next page, read the rest */
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+ if (len > 512)
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+ err = mmc_sd_read_ext_reg(card, 0, 1, 0, 512, &gen_info_buf[512]);
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+ if (err) {
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+ pr_err("%s: error %d reading page 1 of general info of SD ext reg\n",
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+ mmc_hostname(card->host), err);
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goto out;
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}
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