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author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-01-11 08:09:25 +0100 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-01-11 08:09:25 +0100 |
commit | 591afd6e5a5045a7c0fe3fc6a26c55d8030bbf9f (patch) | |
tree | 9028c6bdb3b5a2536b74deeaa4901f94ba7a3b84 /drivers/spi/spi-altera.c | |
parent | 59b26d2e96c473b7b65cfe19381444d034e91715 (diff) | |
parent | 7c53f6b671f4aba70ff15e1b05148b10d58c2837 (diff) |
Merge 5.11-rc3 into char-misc-next
We need the char/misc fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/spi/spi-altera.c')
-rw-r--r-- | drivers/spi/spi-altera.c | 26 |
1 files changed, 14 insertions, 12 deletions
diff --git a/drivers/spi/spi-altera.c b/drivers/spi/spi-altera.c index 809bfff3690a..cbc4c28c1541 100644 --- a/drivers/spi/spi-altera.c +++ b/drivers/spi/spi-altera.c @@ -189,24 +189,26 @@ static int altera_spi_txrx(struct spi_master *master, /* send the first byte */ altera_spi_tx_word(hw); - } else { - while (hw->count < hw->len) { - altera_spi_tx_word(hw); - for (;;) { - altr_spi_readl(hw, ALTERA_SPI_STATUS, &val); - if (val & ALTERA_SPI_STATUS_RRDY_MSK) - break; + return 1; + } + + while (hw->count < hw->len) { + altera_spi_tx_word(hw); - cpu_relax(); - } + for (;;) { + altr_spi_readl(hw, ALTERA_SPI_STATUS, &val); + if (val & ALTERA_SPI_STATUS_RRDY_MSK) + break; - altera_spi_rx_word(hw); + cpu_relax(); } - spi_finalize_current_transfer(master); + + altera_spi_rx_word(hw); } + spi_finalize_current_transfer(master); - return t->len; + return 0; } static irqreturn_t altera_spi_irq(int irq, void *dev) |