[PATCH v2 6/7] gpib: fmh_gpib: Replace dma_request_slave_channel() by dma_request_chan()
From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Date: 2026-09-18 11:37:45
Also in:
dmaengine, linux-sound, linuxppc-dev, lkml
Subsystem:
gpib drivers, the rest · Maintainers:
Dave Penkler, Greg Kroah-Hartman, Linus Torvalds
Replace dma_request_slave_channel() by dma_request_chan() as suggested since the former is deprecated. With this, propagate all possible errors to the caller. Reviewed-by: Dave Penkler <dpenkler@gmail.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> --- drivers/gpib/fmh_gpib/fmh_gpib.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-)
diff --git a/drivers/gpib/fmh_gpib/fmh_gpib.c b/drivers/gpib/fmh_gpib/fmh_gpib.c
index 5e10e9353fed..4ab9b0a317fd 100644
--- a/drivers/gpib/fmh_gpib/fmh_gpib.c
+++ b/drivers/gpib/fmh_gpib/fmh_gpib.c@@ -1458,11 +1458,15 @@ static int fmh_gpib_attach_impl(struct gpib_board *board, const struct gpib_boar e_priv->irq = irq; if (acquire_dma) { - e_priv->dma_channel = dma_request_slave_channel(board->dev, "rxtx"); - if (!e_priv->dma_channel) { + struct dma_chan *tmp_chan; + + tmp_chan = dma_request_chan(board->dev, "rxtx"); + retval = PTR_ERR_OR_ZERO(tmp_chan); + if (retval) { dev_err(board->dev, "failed to acquire dma channel \"rxtx\".\n"); - return -EIO; + return retval; } + e_priv->dma_channel = tmp_chan; } /* * in the future we might want to know the half-fifo size
--
2.50.1