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spi: Fixes for v5.19

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A couple of fixes that came in during the merge window, a driver
 fix for spurious timeouts in the fsi driver and an improvement to
 make the core display error messages for transfer_one_message()
 to help people debug things.
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Merge tag 'spi-fix-v5.19-rc0' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi

Pull spi fixes from Mark Brown:
 "A couple of fixes that came in during the merge window: a driver fix
  for spurious timeouts in the fsi driver and an improvement to make the
  core display error messages for transfer_one_message() to help people
  debug things"

* tag 'spi-fix-v5.19-rc0' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
  spi: core: Display return code when failing to transfer message
  spi: fsi: Fix spurious timeout
This commit is contained in:
Linus Torvalds 2022-06-01 10:30:18 -07:00
commit 129bdb30fb
2 changed files with 8 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
drivers/spi/spi-fsi.c
View File

@ -319,12 +319,12 @@ static int fsi_spi_transfer_data(struct fsi_spi *ctx,
end = jiffies + msecs_to_jiffies(SPI_FSI_STATUS_TIMEOUT_MS);
do {
if (time_after(jiffies, end))
return -ETIMEDOUT;
rc = fsi_spi_status(ctx, &status, "TX");
if (rc)
return rc;
if (time_after(jiffies, end))
return -ETIMEDOUT;
} while (status & SPI_FSI_STATUS_TDR_FULL);
sent += nb;
@ -337,12 +337,12 @@ static int fsi_spi_transfer_data(struct fsi_spi *ctx,
while (transfer->len > recv) {
end = jiffies + msecs_to_jiffies(SPI_FSI_STATUS_TIMEOUT_MS);
do {
if (time_after(jiffies, end))
return -ETIMEDOUT;
rc = fsi_spi_status(ctx, &status, "RX");
if (rc)
return rc;
if (time_after(jiffies, end))
return -ETIMEDOUT;
} while (!(status & SPI_FSI_STATUS_RDR_FULL));
rc = fsi_spi_read_reg(ctx, SPI_FSI_DATA_RX, &in);

3
drivers/spi/spi.c
View File

@ -1672,7 +1672,8 @@ static void __spi_pump_messages(struct spi_controller *ctlr, bool in_kthread)
ret = ctlr->transfer_one_message(ctlr, msg);
if (ret) {
dev_err(&ctlr->dev,
"failed to transfer one message from queue\n");
"failed to transfer one message from queue: %d\n",
ret);
goto out;
}