mmc: dw_mmc: miscaculated the fifo-depth with wrong bit operation
In FIFOTH register, the RX_WMark field (bits[27:16]) defaults to FIFO_DEPTH - 1. When reading it, bits[26:16] were being used, so fix it to use the mask 0xfff instead of 0x7ff. Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com> Reviewed-by: James Hogan <james.hogan@imgtec.com> Signed-off-by: Chris Ball <cjb@laptop.org>
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@ -1949,7 +1949,7 @@ static int dw_mci_probe(struct platform_device *pdev)
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* should put it in the platform data.
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*/
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fifo_size = mci_readl(host, FIFOTH);
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fifo_size = 1 + ((fifo_size >> 16) & 0x7ff);
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fifo_size = 1 + ((fifo_size >> 16) & 0xfff);
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} else {
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fifo_size = host->pdata->fifo_depth;
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}
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