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authorIngo Molnar <mingo@kernel.org>2021-02-17 14:04:39 +0100
committerIngo Molnar <mingo@kernel.org>2021-02-17 14:04:39 +0100
commited3cd45f8ca873dd320ff7e6b4c1c8f83a65302c (patch)
tree783a02c1e78964654fe6d9a9c14b24bfc50e6b3b /drivers/spi/spi-altera.c
parentbae4ec13640b0915e7dd86da7e65c5d085160571 (diff)
parentf40ddce88593482919761f74910f42f4b84c004b (diff)
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Merge tag 'v5.11' into sched/core, to pick up fixes & refresh the branch
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/spi/spi-altera.c')
-rw-r--r--drivers/spi/spi-altera.c29
1 files changed, 16 insertions, 13 deletions
diff --git a/drivers/spi/spi-altera.c b/drivers/spi/spi-altera.c
index 809bfff3690a..62ea0c9e321b 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)
@@ -252,7 +254,8 @@ static int altera_spi_probe(struct platform_device *pdev)
dev_err(&pdev->dev,
"Invalid number of chipselect: %hu\n",
pdata->num_chipselect);
- return -EINVAL;
+ err = -EINVAL;
+ goto exit;
}
master->num_chipselect = pdata->num_chipselect;