MMC core:
- Restore some behaviour of MMC_IOC_MULTI_CMD commands - Fix using un-initialized variable in mmc_blk_issue_drv_op() - Fix mmc block queue cleanup MMC host: - sdhci-acpi: Workaround conflict with PCI wifi on GPD Win handheld - tmio-mmc: Fix bad pointer math -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAABAgAGBQJZaJNDAAoJEP4mhCVzWIwppB4P/26FpKILyBp+HiVBW4FdBHLQ VYOdJ/S3jiqWWtDCLj3HUb+I/D1E4C2+mPOdKGx63+igwHu6IO+j9ZprGKRbLtf4 cB8BmMkHoqww0WzxVkXnrUwdkgMBwpR60UYggM51HPrtwMT9o7juppuG7/RHUPdM 0p2+eTxTGpVgcKsM+FtISxYzFBC94B4oAAx6hFfWZpHyEdZl+ntRQmveHpA1sCkF KvbEPDOaL5UZcXBUKNK9bvyAK3HlwVKq9kF26VSa8sYrd9u/Gt5YmI4fnjzSbjpf OjZNMoMxND6daKZiR8obbiAMlKnzMUZyFHyllRG7mMRiWaGOP3/ScHnwbebpVv0O Xst9ZjSZir8VLiNCu0M/rxJ2wE3g/QM1J0JngduEoX85NzbIRWTXNNVwPoDk994a ex86kqScF4Z9jUH4Iew0RJImlza60RVfLASm7XOBdODyoHwu1zTi2ZAL4a1YKdXx ROjOldZDlqn0oNTiv/JGJ4rBfJGPKNQByyvH5QpGmMRM8yYx6X7srdjGYC+vJ6j3 nPg/k1xYXwxvdZU88Pxvt8uRMSIFEHL6SMdS+KQDPOTRcWgs/yJO3GmrVysUUvup MQ+glvkEF22pPGtOU9uNua2jNgD3CxbCDu7Spp/W+Q+DSuJ7jXZHm1vaqtjB79X7 qfb1kYe1GlxHDROts0s+ =zgfL -----END PGP SIGNATURE----- Merge tag 'mmc-v4.13-2' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc Pull MMC fixes from Ulf Hansson: "Here are a couple of mmc fixes intended for v4.13 rc1. MMC core: - Restore some behaviour of MMC_IOC_MULTI_CMD commands - Fix using un-initialized variable in mmc_blk_issue_drv_op() - Fix mmc block queue cleanup MMC host: - sdhci-acpi: Workaround conflict with PCI wifi on GPD Win handheld - tmio-mmc: Fix bad pointer math" * tag 'mmc-v4.13-2' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc: mmc: tmio-mmc: fix bad pointer math mmc: block: Prevent new req entering queue after its cleanup mmc: block: Let MMC_IOC_MULTI_CMD return zero again for zero entries mmc: block: Initialize ret in mmc_blk_issue_drv_op() for MMC_DRV_OP_IOCTL mmc: sdhci-acpi: Workaround conflict with PCI wifi on GPD Win handheld
This commit is contained in:
Linus Torvalds
commit
907afe5923
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@ -637,6 +637,9 @@ static int mmc_blk_ioctl_multi_cmd(struct block_device *bdev,
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sizeof(num_of_cmds)))
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return -EFAULT;
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if (!num_of_cmds)
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return 0;
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if (num_of_cmds > MMC_IOC_MAX_CMDS)
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return -EINVAL;
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@ -1182,7 +1185,7 @@ static void mmc_blk_issue_drv_op(struct mmc_queue *mq, struct request *req)
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switch (mq_rq->drv_op) {
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case MMC_DRV_OP_IOCTL:
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for (i = 0; i < mq_rq->ioc_count; i++) {
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for (i = 0, ret = 0; i < mq_rq->ioc_count; i++) {
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ret = __mmc_blk_ioctl_cmd(card, md, mq_rq->idata[i]);
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if (ret)
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break;
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@ -2167,6 +2170,7 @@ static void mmc_blk_remove_req(struct mmc_blk_data *md)
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* from being accepted.
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*/
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card = md->queue.card;
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blk_set_queue_dying(md->queue.queue);
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mmc_cleanup_queue(&md->queue);
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if (md->disk->flags & GENHD_FL_UP) {
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device_remove_file(disk_to_dev(md->disk), &md->force_ro);
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@ -45,6 +45,7 @@
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#include <asm/cpu_device_id.h>
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#include <asm/intel-family.h>
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#include <asm/iosf_mbi.h>
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#include <linux/pci.h>
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#endif
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#include "sdhci.h"
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@ -134,6 +135,16 @@ static bool sdhci_acpi_byt(void)
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return x86_match_cpu(byt);
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}
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static bool sdhci_acpi_cht(void)
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{
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static const struct x86_cpu_id cht[] = {
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{ X86_VENDOR_INTEL, 6, INTEL_FAM6_ATOM_AIRMONT },
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{}
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};
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return x86_match_cpu(cht);
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}
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#define BYT_IOSF_SCCEP 0x63
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#define BYT_IOSF_OCP_NETCTRL0 0x1078
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#define BYT_IOSF_OCP_TIMEOUT_BASE GENMASK(10, 8)
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@ -178,6 +189,45 @@ static bool sdhci_acpi_byt_defer(struct device *dev)
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return false;
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}
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static bool sdhci_acpi_cht_pci_wifi(unsigned int vendor, unsigned int device,
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unsigned int slot, unsigned int parent_slot)
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{
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struct pci_dev *dev, *parent, *from = NULL;
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while (1) {
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dev = pci_get_device(vendor, device, from);
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pci_dev_put(from);
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if (!dev)
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break;
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parent = pci_upstream_bridge(dev);
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if (ACPI_COMPANION(&dev->dev) && PCI_SLOT(dev->devfn) == slot &&
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parent && PCI_SLOT(parent->devfn) == parent_slot &&
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!pci_upstream_bridge(parent)) {
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pci_dev_put(dev);
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return true;
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}
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from = dev;
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}
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return false;
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}
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/*
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* GPDwin uses PCI wifi which conflicts with SDIO's use of
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* acpi_device_fix_up_power() on child device nodes. Identifying GPDwin is
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* problematic, but since SDIO is only used for wifi, the presence of the PCI
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* wifi card in the expected slot with an ACPI companion node, is used to
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* indicate that acpi_device_fix_up_power() should be avoided.
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*/
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static inline bool sdhci_acpi_no_fixup_child_power(const char *hid,
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const char *uid)
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{
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return sdhci_acpi_cht() &&
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!strcmp(hid, "80860F14") &&
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!strcmp(uid, "2") &&
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sdhci_acpi_cht_pci_wifi(0x14e4, 0x43ec, 0, 28);
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}
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#else
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static inline void sdhci_acpi_byt_setting(struct device *dev)
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@ -189,6 +239,12 @@ static inline bool sdhci_acpi_byt_defer(struct device *dev)
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return false;
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}
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static inline bool sdhci_acpi_no_fixup_child_power(const char *hid,
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const char *uid)
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{
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return false;
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}
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#endif
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static int bxt_get_cd(struct mmc_host *mmc)
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@ -389,18 +445,20 @@ static int sdhci_acpi_probe(struct platform_device *pdev)
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if (acpi_bus_get_device(handle, &device))
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return -ENODEV;
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hid = acpi_device_hid(device);
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uid = device->pnp.unique_id;
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/* Power on the SDHCI controller and its children */
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acpi_device_fix_up_power(device);
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list_for_each_entry(child, &device->children, node)
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if (child->status.present && child->status.enabled)
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acpi_device_fix_up_power(child);
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if (!sdhci_acpi_no_fixup_child_power(hid, uid)) {
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list_for_each_entry(child, &device->children, node)
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if (child->status.present && child->status.enabled)
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acpi_device_fix_up_power(child);
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}
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if (sdhci_acpi_byt_defer(dev))
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return -EPROBE_DEFER;
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hid = acpi_device_hid(device);
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uid = device->pnp.unique_id;
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iomem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
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if (!iomem)
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return -ENOMEM;
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@ -409,30 +409,29 @@ static void tmio_mmc_transfer_data(struct tmio_mmc_host *host,
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* Transfer the data
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*/
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if (host->pdata->flags & TMIO_MMC_32BIT_DATA_PORT) {
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u8 data[4] = { };
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u32 data = 0;
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u32 *buf32 = (u32 *)buf;
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if (is_read)
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sd_ctrl_read32_rep(host, CTL_SD_DATA_PORT, (u32 *)buf,
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sd_ctrl_read32_rep(host, CTL_SD_DATA_PORT, buf32,
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count >> 2);
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else
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sd_ctrl_write32_rep(host, CTL_SD_DATA_PORT, (u32 *)buf,
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sd_ctrl_write32_rep(host, CTL_SD_DATA_PORT, buf32,
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count >> 2);
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/* if count was multiple of 4 */
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if (!(count & 0x3))
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return;
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buf8 = (u8 *)(buf + (count >> 2));
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buf32 += count >> 2;
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count %= 4;
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if (is_read) {
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sd_ctrl_read32_rep(host, CTL_SD_DATA_PORT,
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(u32 *)data, 1);
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memcpy(buf8, data, count);
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sd_ctrl_read32_rep(host, CTL_SD_DATA_PORT, &data, 1);
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memcpy(buf32, &data, count);
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} else {
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memcpy(data, buf8, count);
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sd_ctrl_write32_rep(host, CTL_SD_DATA_PORT,
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(u32 *)data, 1);
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memcpy(&data, buf32, count);
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sd_ctrl_write32_rep(host, CTL_SD_DATA_PORT, &data, 1);
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}
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return;
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