summaryrefslogtreecommitdiffstats
path: root/drivers/mmc/core/quirks.h
diff options
context:
space:
mode:
authorShawn Lin <shawn.lin@rock-chips.com>2017-02-15 16:35:28 +0800
committerUlf Hansson <ulf.hansson@linaro.org>2017-02-15 11:34:26 +0100
commit28fc64af63488d701184977481b263f31d856984 (patch)
treef71c39928ffd7023de9187bde2d1c694d1e0e152 /drivers/mmc/core/quirks.h
parent4e03f628b464e0580abadf5161eaa38c61d20943 (diff)
downloadtalos-obmc-linux-28fc64af63488d701184977481b263f31d856984.tar.gz
talos-obmc-linux-28fc64af63488d701184977481b263f31d856984.zip
mmc: core: change quirks.c to be a header file
Rename quirks.c to quirks.h, and include it for individual C files which need it. Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers/mmc/core/quirks.h')
-rw-r--r--drivers/mmc/core/quirks.h81
1 files changed, 81 insertions, 0 deletions
diff --git a/drivers/mmc/core/quirks.h b/drivers/mmc/core/quirks.h
new file mode 100644
index 000000000000..1e56ec4d4085
--- /dev/null
+++ b/drivers/mmc/core/quirks.h
@@ -0,0 +1,81 @@
+/*
+ * This file contains work-arounds for many known SD/MMC
+ * and SDIO hardware bugs.
+ *
+ * Copyright (c) 2011 Andrei Warkentin <andreiw@motorola.com>
+ * Copyright (c) 2011 Pierre Tardy <tardyp@gmail.com>
+ * Inspired from pci fixup code:
+ * Copyright (c) 1999 Martin Mares <mj@ucw.cz>
+ *
+ */
+
+#include <linux/mmc/sdio_ids.h>
+
+#include "card.h"
+
+#ifndef SDIO_VENDOR_ID_TI
+#define SDIO_VENDOR_ID_TI 0x0097
+#endif
+
+#ifndef SDIO_DEVICE_ID_TI_WL1271
+#define SDIO_DEVICE_ID_TI_WL1271 0x4076
+#endif
+
+#ifndef SDIO_VENDOR_ID_STE
+#define SDIO_VENDOR_ID_STE 0x0020
+#endif
+
+#ifndef SDIO_DEVICE_ID_STE_CW1200
+#define SDIO_DEVICE_ID_STE_CW1200 0x2280
+#endif
+
+#ifndef SDIO_DEVICE_ID_MARVELL_8797_F0
+#define SDIO_DEVICE_ID_MARVELL_8797_F0 0x9128
+#endif
+
+static const struct mmc_fixup mmc_fixup_methods[] = {
+ SDIO_FIXUP(SDIO_VENDOR_ID_TI, SDIO_DEVICE_ID_TI_WL1271,
+ add_quirk, MMC_QUIRK_NONSTD_FUNC_IF),
+
+ SDIO_FIXUP(SDIO_VENDOR_ID_TI, SDIO_DEVICE_ID_TI_WL1271,
+ add_quirk, MMC_QUIRK_DISABLE_CD),
+
+ SDIO_FIXUP(SDIO_VENDOR_ID_STE, SDIO_DEVICE_ID_STE_CW1200,
+ add_quirk, MMC_QUIRK_BROKEN_BYTE_MODE_512),
+
+ SDIO_FIXUP(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8797_F0,
+ add_quirk, MMC_QUIRK_BROKEN_IRQ_POLLING),
+
+ END_FIXUP
+};
+
+static inline void mmc_fixup_device(struct mmc_card *card,
+ const struct mmc_fixup *table)
+{
+ const struct mmc_fixup *f;
+ u64 rev = cid_rev_card(card);
+
+ /* Non-core specific workarounds. */
+ if (!table)
+ table = mmc_fixup_methods;
+
+ for (f = table; f->vendor_fixup; f++) {
+ if ((f->manfid == CID_MANFID_ANY ||
+ f->manfid == card->cid.manfid) &&
+ (f->oemid == CID_OEMID_ANY ||
+ f->oemid == card->cid.oemid) &&
+ (f->name == CID_NAME_ANY ||
+ !strncmp(f->name, card->cid.prod_name,
+ sizeof(card->cid.prod_name))) &&
+ (f->cis_vendor == card->cis.vendor ||
+ f->cis_vendor == (u16) SDIO_ANY_ID) &&
+ (f->cis_device == card->cis.device ||
+ f->cis_device == (u16) SDIO_ANY_ID) &&
+ (f->ext_csd_rev == EXT_CSD_REV_ANY ||
+ f->ext_csd_rev == card->ext_csd.rev) &&
+ rev >= f->rev_start && rev <= f->rev_end) {
+ dev_dbg(&card->dev, "calling %pf\n", f->vendor_fixup);
+ f->vendor_fixup(card, f->data);
+ }
+ }
+}
OpenPOWER on IntegriCloud