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p54spi: mask value read from SPI_ADRS_DMA_WRITE_CTRL in p54spi_wait_bit
Mask value read from SPI_ADRS_DMA_WRITE_CTRL in p54spi_wait_bit. Without this, 'fw_upload not allowed to DMA write' is observed at both N800 and N810. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Acked-by: Christian Lamparter <chunkeey@web.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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@ -171,7 +171,7 @@ static int p54spi_wait_bit(struct p54s_priv *priv, u16 reg, __le32 bits)
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for (i = 0; i < 2000; i++) {
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p54spi_spi_read(priv, reg, &buffer, sizeof(buffer));
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if (buffer == bits)
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if ((buffer & bits) == bits)
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return 1;
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msleep(1);
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