These comments don't contain useful code or alternate implementation
ideas.  Remove them.
Signed-off-by: George Hilliard <thirtythreeforty@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 #include <linux/bitops.h>
 #include <linux/mmc/host.h>
 
-// #include <mach/mt6575_reg_base.h> /* --- by chhung */
-
 /*--------------------------------------------------------------------------*/
 /* Common Definition                                                        */
 /*--------------------------------------------------------------------------*/
 
        int                         error;
        spinlock_t                  lock;           /* mutex */
-       struct semaphore            sem;
 
        u32                         blksz;          /* host block size */
        void __iomem                *base;           /* host base address */
 
 struct msdc_hw msdc0_hw = {
        .clk_src        = 0,
        .flags          = MSDC_CD_PIN_EN | MSDC_REMOVABLE,
-//     .flags          = MSDC_WP_PIN_EN | MSDC_CD_PIN_EN | MSDC_REMOVABLE,
 };
 
 /* end of +++ */
        host->timeout_clks = DEFAULT_DTOC * 65536;
 
        host->mrq = NULL;
-       //init_MUTEX(&host->sem); /* we don't need to support multiple threads access */
 
        dma_coerce_mask_and_coherent(mmc_dev(mmc), DMA_BIT_MASK(32));