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Subject: Re: [PATCH v2 2/2] mmc: sdhci: sdhci-pci-core: Add Genesis Logic
 GL975x support
To:     Adrian Hunter <adrian.hunter@intel.com>,
        "Michael K. Johnson" <johnsonm@danlj.org>, <ulf.hansson@linaro.org>
CC:     <linux-kernel@vger.kernel.org>, <linux-mmc@vger.kernel.org>
References: <20190726020754.GA12078@people.danlj.org>
 <62a756ff-6432-fd43-5e90-038eb28045cd@intel.com>
From:   Ben Chuang <ben.chuang@genesyslogic.com.tw>
Message-ID: <92ee89f9-82cc-0493-5daf-bb28187ea810@genesyslogic.com.tw>
Date:   Mon, 12 Aug 2019 10:25:39 +0800
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On 8/7/19 8:25 PM, Adrian Hunter wrote:
> On 26/07/19 5:07 AM, Michael K. Johnson wrote:
>> Add support for the GL9750 and GL9755 chipsets.
>>
>> Signed-off-by: Ben Chuang <ben.chuang@genesyslogic.com.tw>
>> Co-developed-by: Michael K Johnson <johnsonm@danlj.org>
>> Signed-off-by: Michael K Johnson <johnsonm@danlj.org>
>>
>> diff --git a/drivers/mmc/host/sdhci-gli.h b/drivers/mmc/host/sdhci-gli.h
> I suggest creating sdhci-pci-gli.c and putting definitions there.  Have a
> look at sdhci-pci-arasan.c, sdhci-pci-dwc-mshc.c or sdhci-pci-o2micro.c

Hi, Adrian,

Thanks for the review.

I will break the patch apart as you suggested and create sdhci-pci-gli.c.

Then move vendor specific changes to sdhci-pci-gli.c.

>> new file mode 100644
>> index 000000000000..0acd35b6d3e2
>> --- /dev/null
>> +++ b/drivers/mmc/host/sdhci-gli.h
>> @@ -0,0 +1,27 @@
>> +/* SPDX-License-Identifier: GPL-2.0+ */
>> +#ifndef __SDHCI_GLI_H
>> +#define __SDHCI_GLI_H
>> +
>> +/* the define PCI_VENDOR_ID_GLI may put in kernel/include/linux/pci_ids.h */
>> +#ifndef PCI_VENDOR_ID_GLI
>> +#define PCI_VENDOR_ID_GLI           0x17a0
>> +#endif
> If it is in include/linux/pci_ids.h then this code should be removed
>
>> +
>> +/*  Genesys Logic extra registers */
>> +#define SDHCI_GLI_9750_WT         0x800
>> +#define SDHCI_GLI_9750_DRIVING    0x860
>> +#define SDHCI_GLI_9750_PLL        0x864
>> +#define SDHCI_GLI_9750_SW_CTRL    0x874
>> +#define SDHCI_GLI_9750_MISC       0x878
>> +
>> +#define SDHCI_GLI_9750_TUNING_CONTROL               0x540
>> +#define SDHCI_GLI_9750_TUNING_PARAMETERS    0x544
>> +
>> +#define GLI_9755_DRIVER_VER      "Genesys Logic (GL9755 v0.9.0-y190703)"
>> +#define GLI_9750_DRIVER_VER      "Genesys Logic (GL9750 v0.9.0-y190703)"
>> +
>> +#define GLI_MAX_TUNING_LOOP 40
>> +
>> +void gli_set_9750(struct sdhci_host *host);
>> +
>> +#endif /* __SDHCI_GLI_H */
>> diff --git a/drivers/mmc/host/sdhci-pci-core.c b/drivers/mmc/host/sdhci-pci-core.c
>> index 4154ee11b47d..b5c28df39de1 100644
>> --- a/drivers/mmc/host/sdhci-pci-core.c
>> +++ b/drivers/mmc/host/sdhci-pci-core.c
>> @@ -35,6 +35,7 @@
>>
>>   #include "sdhci.h"
>>   #include "sdhci-pci.h"
>> +#include "sdhci-gli.h"
>>
>>   static void sdhci_pci_hw_reset(struct sdhci_host *host);
>>
>> @@ -1453,6 +1454,223 @@ static const struct sdhci_pci_fixes sdhci_rtsx = {
>>      .probe_slot     = rtsx_probe_slot,
>>   };
>>
>> +/* Genesys Logic chipset */
>> +static int gli_probe_slot_gl9755(struct sdhci_pci_slot *slot)
>> +{
>> +    struct sdhci_host *host = slot->host;
>> +
>> +    slot->host->mmc->caps2 |= MMC_CAP2_NO_SDIO;
>> +    dev_info(&slot->chip->pdev->dev, "%s\n", GLI_9755_DRIVER_VER);
>> +    sdhci_enable_v4_mode(host);
>> +
>> +    return 0;
>> +}
>> +
>> +static void gli_set_9750_rx_inv(struct sdhci_host *host, bool b)
>> +{
>> +    u32 wt_value = sdhci_readl(host, SDHCI_GLI_9750_WT);
>> +    u32 misc_value = sdhci_readl(host, SDHCI_GLI_9750_MISC);
>> +
>> +    if ((wt_value & 0x1) == 0) {
>> +            wt_value |= 0x1;
>> +            sdhci_writel(host, wt_value, SDHCI_GLI_9750_WT);
>> +    }
>> +
>> +    misc_value = sdhci_readl(host, SDHCI_GLI_9750_MISC);
>> +    if (b) {
>> +            misc_value |= 0x8;
>> +            sdhci_writel(host, misc_value, SDHCI_GLI_9750_MISC);
>> +    } else {
>> +            misc_value &= ~0x8;
>> +            sdhci_writel(host, misc_value, SDHCI_GLI_9750_MISC);
>> +    }
>> +
>> +    wt_value = sdhci_readl(host, SDHCI_GLI_9750_WT);
>> +    wt_value &= ~0x1;
>> +    sdhci_writel(host, wt_value, SDHCI_GLI_9750_WT);
>> +}
>> +
>> +static int __sdhci_execute_tuning_9750(struct sdhci_host *host, u32 opcode)
>> +{
>> +    int i;
>> +    int rx_inv = 0;
>> +
>> +    for (rx_inv = 0; rx_inv < 2; rx_inv++) {
>> +            if (rx_inv & 0x1)
>> +                    gli_set_9750_rx_inv(host, true);
>> +            else
>> +                    gli_set_9750_rx_inv(host, false);
>> +
>> +            sdhci_start_tuning(host);
>> +
>> +            for (i = 0; i < GLI_MAX_TUNING_LOOP; i++) {
>> +                    u16 ctrl;
>> +
>> +                    sdhci_send_tuning(host, opcode);
>> +
>> +                    if (!host->tuning_done) {
>> +                            if (rx_inv == 1) {
>> +                                    pr_info("%s: Tuning timeout, falling back to fixed sampling clock\n",
>> +                                            mmc_hostname(host->mmc));
>> +                                    sdhci_abort_tuning(host, opcode);
>> +                                    return -ETIMEDOUT;
>> +                            }
>> +                            pr_info("%s: Tuning timeout, try next tuning\n",
>> +                                    mmc_hostname(host->mmc));
>> +                            sdhci_abort_tuning(host, opcode);
>> +                            break;
>> +                    }
>> +
>> +                    ctrl = sdhci_readw(host, SDHCI_HOST_CONTROL2);
>> +                    if (!(ctrl & SDHCI_CTRL_EXEC_TUNING)) {
>> +                            if (ctrl & SDHCI_CTRL_TUNED_CLK) {
>> +                                    pr_info("%s: Tuning successful\n",
>> +                                            mmc_hostname(host->mmc));
>> +                                    return 0; /* Success! */
>> +                            }
>> +                            break;
>> +                    }
>> +            }
>> +    }
>> +
>> +    pr_info("%s: Tuning failed, falling back to fixed sampling clock\n",
>> +            mmc_hostname(host->mmc));
>> +    sdhci_reset_tuning(host);
>> +    return -EAGAIN;
>> +}
>> +
>> +static int gl9750_execute_tuning(struct mmc_host *mmc, u32 opcode)
>> +{
>> +    struct sdhci_host *host = mmc_priv(mmc);
>> +    int err = 0;
>> +    unsigned int tuning_count = 0;
>> +    bool hs400_tuning;
>> +
>> +    hs400_tuning = host->flags & SDHCI_HS400_TUNING;
>> +
>> +    if (host->tuning_mode == SDHCI_TUNING_MODE_1)
>> +            tuning_count = host->tuning_count;
>> +
>> +    /*
>> +     * The Host Controller needs tuning in case of SDR104 and DDR50
>> +     * mode, and for SDR50 mode when Use Tuning for SDR50 is set in
>> +     * the Capabilities register.
>> +     * If the Host Controller supports the HS200 mode then the
>> +     * tuning function has to be executed.
>> +     */
>> +    switch (host->timing) {
>> +    /* HS400 tuning is done in HS200 mode */
>> +    case MMC_TIMING_MMC_HS400:
>> +            err = -EINVAL;
>> +            goto out;
>> +
>> +    case MMC_TIMING_MMC_HS200:
>> +            /*
>> +             * Periodic re-tuning for HS400 is not expected to be needed, so
>> +             * disable it here.
>> +             */
>> +            if (hs400_tuning)
>> +                    tuning_count = 0;
>> +            break;
>> +
>> +    case MMC_TIMING_UHS_SDR104:
>> +    case MMC_TIMING_UHS_DDR50:
>> +            break;
>> +
>> +    case MMC_TIMING_UHS_SDR50:
>> +            if (host->flags & SDHCI_SDR50_NEEDS_TUNING)
>> +                    break;
>> +            /* FALLTHROUGH */
>> +
>> +    default:
>> +            goto out;
>> +    }
>> +
>> +    if (host->ops->platform_execute_tuning) {
>> +            err = host->ops->platform_execute_tuning(host, opcode);
>> +            goto out;
>> +    }
>> +
>> +    host->mmc->retune_period = tuning_count;
>> +
>> +    if (host->tuning_delay < 0)
>> +            host->tuning_delay = opcode == MMC_SEND_TUNING_BLOCK;
>> +
>> +    gli_set_9750(host);
>> +    host->tuning_err = __sdhci_execute_tuning_9750(host, opcode);
>> +
>> +    sdhci_end_tuning(host);
>> +out:
>> +    host->flags &= ~SDHCI_HS400_TUNING;
>> +
>> +    return err;
>> +}
>> +
>> +static int gli_probe_slot_gl9750(struct sdhci_pci_slot *slot)
>> +{
>> +    struct sdhci_host *host = slot->host;
>> +    struct mmc_host_ops *ops = &host->mmc_host_ops;
>> +
>> +    u32 gli_wt = sdhci_readl(host, SDHCI_GLI_9750_WT);
>> +
>> +    dev_info(&slot->chip->pdev->dev, "%s\n", GLI_9750_DRIVER_VER);
>> +    slot->host->mmc->caps2 |= MMC_CAP2_NO_SDIO;
>> +
>> +    if ((gli_wt & 0x1) == 0) {
>> +            gli_wt |= 0x1;
>> +            sdhci_writel(host, gli_wt, SDHCI_GLI_9750_WT);
>> +    }
>> +
>> +    gli_wt = sdhci_readl(host, SDHCI_GLI_9750_WT);
>> +    gli_wt &= ~0x1;
>> +    sdhci_writel(host, gli_wt, SDHCI_GLI_9750_WT);
>> +
>> +    sdhci_enable_v4_mode(host);
>> +
>> +    ops->execute_tuning = gl9750_execute_tuning;
>> +
>> +    return 0;
>> +}
>> +
>> +static void sdhci_gli_voltage_switch(struct sdhci_host *host)
>> +{
>> +    usleep_range(5000, 5500);
>> +}
>> +
>> +static const struct sdhci_ops sdhci_gl9755_ops = {
>> +    .set_clock                      = sdhci_set_clock,
>> +    .enable_dma                     = sdhci_pci_enable_dma,
>> +    .set_bus_width                  = sdhci_set_bus_width,
>> +    .reset                          = sdhci_reset,
>> +    .set_uhs_signaling              = sdhci_set_uhs_signaling,
>> +    .hw_reset                       = sdhci_pci_hw_reset,
>> +    .voltage_switch                 = sdhci_gli_voltage_switch,
>> +};
>> +
>> +static const struct sdhci_pci_fixes sdhci_gl9755 = {
>> +    .quirks         = SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC,
>> +    .quirks2        = SDHCI_QUIRK2_BROKEN_DDR50,
>> +    .probe_slot     = gli_probe_slot_gl9755,
>> +    .ops            = &sdhci_gl9755_ops,
>> +};
>> +
>> +static const struct sdhci_ops sdhci_gl9750_ops = {
>> +    .set_clock                      = sdhci_set_clock,
>> +    .enable_dma                     = sdhci_pci_enable_dma,
>> +    .set_bus_width                  = sdhci_set_bus_width,
>> +    .reset                          = sdhci_reset,
>> +    .set_uhs_signaling              = sdhci_set_uhs_signaling,
>> +    .hw_reset                       = sdhci_pci_hw_reset,
>> +    .voltage_switch                 = sdhci_gli_voltage_switch,
>> +};
>> +
>> +static const struct sdhci_pci_fixes sdhci_gl9750 = {
>> +    .quirks         = SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC,
>> +    .quirks2        = SDHCI_QUIRK2_BROKEN_DDR50,
>> +    .probe_slot     = gli_probe_slot_gl9750,
>> +    .ops            = &sdhci_gl9750_ops,
>> +};
>> +
>>   /*AMD chipset generation*/
>>   enum amd_chipset_gen {
>>      AMD_CHIPSET_BEFORE_ML,
>> @@ -1682,6 +1900,8 @@ static const struct pci_device_id pci_ids[] = {
>>      SDHCI_PCI_DEVICE(O2, SEABIRD1, o2),
>>      SDHCI_PCI_DEVICE(ARASAN, PHY_EMMC, arasan),
>>      SDHCI_PCI_DEVICE(SYNOPSYS, DWC_MSHC, snps),
>> +    SDHCI_PCI_DEVICE(GLI, 9755, gl9755),
>> +    SDHCI_PCI_DEVICE(GLI, 9750, gl9750),
>>      SDHCI_PCI_DEVICE_CLASS(AMD, SYSTEM_SDHCI, PCI_CLASS_MASK, amd),
>>      /* Generic SD host controller */
>>      {PCI_DEVICE_CLASS(SYSTEM_SDHCI, PCI_CLASS_MASK)},
>> diff --git a/drivers/mmc/host/sdhci-pci.h b/drivers/mmc/host/sdhci-pci.h
>> index e5dc6e44c7a4..78e6b631e252 100644
>> --- a/drivers/mmc/host/sdhci-pci.h
>> +++ b/drivers/mmc/host/sdhci-pci.h
>> @@ -65,6 +65,9 @@
>>
>>   #define PCI_DEVICE_ID_SYNOPSYS_DWC_MSHC 0xc202
>>
>> +#define PCI_DEVICE_ID_GLI_9755              0x9755
>> +#define PCI_DEVICE_ID_GLI_9750              0x9750
>> +
>>   /*
>>    * PCI device class and mask
>>    */
>> diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
>> index 14957578bf2e..1ccf1b692d04 100644
>> --- a/drivers/mmc/host/sdhci.c
>> +++ b/drivers/mmc/host/sdhci.c
>> @@ -25,6 +25,8 @@
>>
>>   #include <linux/leds.h>
>>
>> +#include <linux/pci.h>
>> +
>>   #include <linux/mmc/mmc.h>
>>   #include <linux/mmc/host.h>
>>   #include <linux/mmc/card.h>
>> @@ -32,6 +34,8 @@
>>   #include <linux/mmc/slot-gpio.h>
>>
>>   #include "sdhci.h"
>> +#include "sdhci-pci.h"
>> +#include "sdhci-gli.h"
> Vendor specific changes do not belong in sdhci.c
>
>>
>>   #define DRIVER_NAME "sdhci"
>>
>> @@ -50,6 +54,8 @@ static void sdhci_finish_data(struct sdhci_host *);
>>
>>   static void sdhci_enable_preset_value(struct sdhci_host *host, bool enable);
>>
>> +static bool gli_is_9750(struct sdhci_host *);
>> +
>>   void sdhci_dumpregs(struct sdhci_host *host)
>>   {
>>      SDHCI_DUMP("============ SDHCI REGISTER DUMP ===========\n");
>> @@ -328,6 +334,8 @@ static void sdhci_init(struct sdhci_host *host, int soft)
>>
>>      host->cqe_on = false;
>>
>> +    gli_set_9750(host);
> Maybe look at using the sdhci_ops ->reset() callback.
>
>> +
>>      if (soft) {
>>              /* force clock reconfiguration */
>>              host->clock = 0;
>> @@ -2326,7 +2334,7 @@ void sdhci_reset_tuning(struct sdhci_host *host)
>>   }
>>   EXPORT_SYMBOL_GPL(sdhci_reset_tuning);
>>
>> -static void sdhci_abort_tuning(struct sdhci_host *host, u32 opcode)
>> +void sdhci_abort_tuning(struct sdhci_host *host, u32 opcode)
>>   {
>>      sdhci_reset_tuning(host);
>>
>> @@ -2337,6 +2345,7 @@ static void sdhci_abort_tuning(struct sdhci_host *host, u32 opcode)
>>
>>      mmc_abort_tuning(host->mmc, opcode);
>>   }
>> +EXPORT_SYMBOL_GPL(sdhci_abort_tuning);
> If you need to export sdhci_abort_tuning, then please make it a separate patch.
>
>>
>>   /*
>>    * We use sdhci_send_tuning() because mmc_send_tuning() is not a good fit. SDHCI
>> @@ -2493,9 +2502,7 @@ int sdhci_execute_tuning(struct mmc_host *mmc, u32 opcode)
>>              host->tuning_delay = opcode == MMC_SEND_TUNING_BLOCK;
>>
>>      sdhci_start_tuning(host);
>> -
>>      host->tuning_err = __sdhci_execute_tuning(host, opcode);
>> -
>>      sdhci_end_tuning(host);
>>   out:
>>      host->flags &= ~SDHCI_HS400_TUNING;
>> @@ -4090,6 +4097,12 @@ int sdhci_setup_host(struct sdhci_host *host)
>>       * value.
>>       */
>>      max_current_caps = sdhci_readl(host, SDHCI_MAX_CURRENT);
>> +
>> +    if (gli_is_9750(host)) {
>> +            if (!(max_current_caps & 0xff))
>> +                    max_current_caps |= 0xc8;
>> +    }
> Vendor specific changes do not belong in sdhci.c
>
> Look at using sdhci I/O accessors (refer CONFIG_MMC_SDHCI_IO_ACCESSORS)
> instead
>
>> +
>>      if (!max_current_caps && !IS_ERR(mmc->supply.vmmc)) {
>>              int curr = regulator_get_current_limit(mmc->supply.vmmc);
>>              if (curr > 0) {
>> @@ -4269,6 +4282,106 @@ void sdhci_cleanup_host(struct sdhci_host *host)
>>   }
>>   EXPORT_SYMBOL_GPL(sdhci_cleanup_host);
>>
>> +// for Genesys Logic
>> +void gli_set_9750(struct sdhci_host *host)
>> +{
>> +    u32 wt_value = 0;
>> +    u32 driving_value = 0;
>> +    u32 pll_value = 0;
>> +    u32 sw_ctrl_value = 0;
>> +    u32 misc_value = 0;
>> +    u32 parameter_value = 0;
>> +    u32 control_value = 0;
>> +
>> +    u16 ctrl2 = 0;
>> +
>> +    if (!gli_is_9750(host))
>> +            return;
>> +
>> +    wt_value = sdhci_readl(host, SDHCI_GLI_9750_WT);
>> +    if ((wt_value & 0x1) == 0) {
>> +            wt_value |= 0x1;
>> +            sdhci_writel(host, wt_value, SDHCI_GLI_9750_WT);
>> +    }
>> +
>> +    driving_value = sdhci_readl(host, SDHCI_GLI_9750_DRIVING);
>> +    pll_value = sdhci_readl(host, SDHCI_GLI_9750_PLL);
>> +    sw_ctrl_value = sdhci_readl(host, SDHCI_GLI_9750_SW_CTRL);
>> +    misc_value = sdhci_readl(host, SDHCI_GLI_9750_MISC);
>> +    parameter_value = sdhci_readl(host, SDHCI_GLI_9750_TUNING_PARAMETERS);
>> +    control_value = sdhci_readl(host, SDHCI_GLI_9750_TUNING_CONTROL);
>> +
>> +    driving_value &= ~(0x0C000FFF);
>> +    driving_value |= 0x0C000FFF;
>> +    sdhci_writel(host, driving_value, SDHCI_GLI_9750_DRIVING);
>> +
>> +    sw_ctrl_value |= 0xc0;
>> +    sdhci_writel(host, sw_ctrl_value, SDHCI_GLI_9750_SW_CTRL);
>> +
>> +    // reset the tuning flow after reinit and before starting tuning
>> +    pll_value |= 0x800000; // bit23-1
>> +    pll_value &= ~(0x00700000); // bit22:20-0
>> +
>> +    misc_value &= ~(0x8); // bit3-0
>> +    misc_value &= ~(0x4); // bit2-0
>> +
>> +    misc_value &= ~(0x70); // bit6:4-0
>> +    misc_value |= 0x50; // bit6:4-5
>> +
>> +    parameter_value &= ~(0x7); // bit2:0-0
>> +    parameter_value |= 0x1; // bit2:0-1
>> +
>> +    control_value &= ~(0x190000); // bit20:19-0, bit16-0
>> +    control_value |=   0x110000; // bit20:19-b10, bit16-1
>> +
>> +    sdhci_writel(host, pll_value, SDHCI_GLI_9750_PLL);
>> +    sdhci_writel(host, misc_value, SDHCI_GLI_9750_MISC);
>> +
>> +    // disable tuned clk
>> +    ctrl2 = sdhci_readw(host, SDHCI_HOST_CONTROL2);
>> +    ctrl2 &= ~SDHCI_CTRL_TUNED_CLK;
>> +    sdhci_writew(host, ctrl2, SDHCI_HOST_CONTROL2);
>> +
>> +    // 540 enable tuning parameters control
>> +    control_value |= 0x10;
>> +    sdhci_writel(host, control_value, SDHCI_GLI_9750_TUNING_CONTROL);
>> +
>> +    // write 544 tuning parameters
>> +    sdhci_writel(host, parameter_value, SDHCI_GLI_9750_TUNING_PARAMETERS);
>> +
>> +    // 540 disable tuning parameters control
>> +    control_value &= ~0x10;
>> +    sdhci_writel(host, control_value, SDHCI_GLI_9750_TUNING_CONTROL);
>> +
>> +    // clear tuned clk
>> +    ctrl2 = sdhci_readw(host, SDHCI_HOST_CONTROL2);
>> +    ctrl2 &= ~SDHCI_CTRL_TUNED_CLK;
>> +    sdhci_writew(host, ctrl2, SDHCI_HOST_CONTROL2);
>> +
>> +    udelay(1);
>> +    wt_value = sdhci_readl(host, SDHCI_GLI_9750_WT);
>> +    wt_value &= ~0x1;
>> +    sdhci_writel(host, wt_value, SDHCI_GLI_9750_WT);
>> +}
>> +EXPORT_SYMBOL_GPL(gli_set_9750);
>> +
>> +bool gli_is_9750(struct sdhci_host *host)
>> +{
>> +    struct sdhci_pci_slot *slot = sdhci_priv(host);
>> +    struct sdhci_pci_chip *chip;
>> +    struct pci_dev *pdev;
>> +
>> +    chip = slot->chip;
>> +    pdev = chip->pdev;
>> +
>> +    if (pdev->vendor == PCI_VENDOR_ID_GLI &&
>> +        pdev->device == PCI_DEVICE_ID_GLI_9750) {
>> +            return true;
>> +    }
>> +
>> +    return false;
>> +}
>> +
> Vendor specific changes do not belong in sdhci.c
>
>>   int __sdhci_add_host(struct sdhci_host *host)
>>   {
>>      unsigned int flags = WQ_UNBOUND | WQ_MEM_RECLAIM | WQ_HIGHPRI;
>> diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h
>> index 72601a4d2e95..437bab3af195 100644
>> --- a/drivers/mmc/host/sdhci.h
>> +++ b/drivers/mmc/host/sdhci.h
>> @@ -797,5 +797,6 @@ void sdhci_start_tuning(struct sdhci_host *host);
>>   void sdhci_end_tuning(struct sdhci_host *host);
>>   void sdhci_reset_tuning(struct sdhci_host *host);
>>   void sdhci_send_tuning(struct sdhci_host *host, u32 opcode);
>> +void sdhci_abort_tuning(struct sdhci_host *host, u32 opcode);
>>
>>   #endif /* __SDHCI_HW_H */
>> diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
>> index 70e86148cb1e..e668da5c8df5 100644
>> --- a/include/linux/pci_ids.h
>> +++ b/include/linux/pci_ids.h
>> @@ -2403,6 +2403,7 @@
>>   #define PCI_DEVICE_ID_RDC_R6061            0x6061
>>   #define PCI_DEVICE_ID_RDC_D1010            0x1010
>>
>> +#define PCI_VENDOR_ID_GLI           0x17a0
> Better as a separate patch.
I will create a pci_ids.h patch for GLI's pci vendor id.
>>   #define PCI_VENDOR_ID_LENOVO               0x17aa
>>
>>   #define PCI_VENDOR_ID_QCOM         0x17cb
>>
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