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Commit 6e995b84 authored by Bin Meng's avatar Bin Meng Committed by Cyrille Pitchen
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spi-nor: intel-spi: Remove the unnecessary HSFSTS register RW 



There is no code that alters the HSFSTS register content in between
in intel_spi_write(). Remove the unnecessary RW to save some cycles.

Signed-off-by: default avatarBin Meng <bmeng.cn@gmail.com>
Acked-by: default avatarMika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: default avatarCyrille Pitchen <cyrille.pitchen@wedev4u.fr>
parent 8c473dd6

drivers/mtd/spi-nor/intel-spi.c

+2 −3
Original line number Diff line number Diff line
@@ -611,7 +611,6 @@ static ssize_t intel_spi_write(struct spi_nor *nor, loff_t to, size_t len, 
		val |= HSFSTS_CTL_AEL | HSFSTS_CTL_FCERR | HSFSTS_CTL_FDONE;

		val |= (block_size - 1) << HSFSTS_CTL_FDBC_SHIFT;

		val |= HSFSTS_CTL_FCYCLE_WRITE;

		writel(val, ispi->base + HSFSTS_CTL);



		ret = intel_spi_write_block(ispi, write_buf, block_size);

		if (ret) {
@@ -620,8 +619,8 @@ static ssize_t intel_spi_write(struct spi_nor *nor, loff_t to, size_t len, 
		}



		/* Start the write now */

		val = readl(ispi->base + HSFSTS_CTL);

		writel(val | HSFSTS_CTL_FGO, ispi->base + HSFSTS_CTL);

		val |= HSFSTS_CTL_FGO;

		writel(val, ispi->base + HSFSTS_CTL);



		ret = intel_spi_wait_hw_busy(ispi);

		if (ret) {