From: Micky Ching <micky_ch...@realsil.com.cn>

host->cookie is used for handle async request,
we should init it to negative value when new card inserted,
make cookie value invalid.

Signed-off-by: Micky Ching <micky_ch...@realsil.com.cn>
---
 drivers/mmc/host/rtsx_pci_sdmmc.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/mmc/host/rtsx_pci_sdmmc.c 
b/drivers/mmc/host/rtsx_pci_sdmmc.c
index b1390f0..90b7b6d 100644
--- a/drivers/mmc/host/rtsx_pci_sdmmc.c
+++ b/drivers/mmc/host/rtsx_pci_sdmmc.c
@@ -1321,6 +1321,7 @@ static void rtsx_pci_sdmmc_card_event(struct 
platform_device *pdev)
 {
        struct realtek_pci_sdmmc *host = platform_get_drvdata(pdev);
 
+       host->cookie = -1;
        mmc_detect_change(host->mmc, 0);
 }
 
@@ -1353,6 +1354,7 @@ static int rtsx_pci_sdmmc_drv_probe(struct 
platform_device *pdev)
        host->pcr = pcr;
        host->mmc = mmc;
        host->pdev = pdev;
+       host->cookie = -1;
        host->power_state = SDMMC_POWER_OFF;
        INIT_WORK(&host->work, sd_request);
        platform_set_drvdata(pdev, host);
-- 
1.9.1

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