diff options
| author | Viresh Kumar <viresh.kumar@st.com> | 2011-08-10 14:20:55 +0530 |
|---|---|---|
| committer | Linus WALLEIJ <linus.walleij@stericsson.com> | 2011-10-17 15:19:29 +0200 |
| commit | 9bfb020a15f4bdc2bc095761ca66cc148a6829ed (patch) | |
| tree | 62499f2b997ce5688bcf9b8bd5a4da87c4129fee /drivers | |
| parent | 02722f385605b53882c425bc0978c519913bfd17 (diff) | |
spi/spi-pl022: Use GFP_ATOMIC for allocation from tasklet
tasklets don't allow invocation to sleeping routines. In configure_dma()
routine, sg_alloc_table() was called with GFP_KERNEL flag and so this causes
crash when called from tasklet.
Replace GFP_KERNEL with GFP_ATOMIC to get this fixed.
Signed-off-by: Viresh Kumar <viresh.kumar@st.com>
Tested-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Change-Id: I15b94ca35abbd099712cb0789e1f196a762b5095
Reviewed-on: http://gerrit.lud.stericsson.com/gerrit/34212
Reviewed-by: Linus WALLEIJ <linus.walleij@stericsson.com>
Tested-by: Linus WALLEIJ <linus.walleij@stericsson.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/spi/spi-pl022.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/spi/spi-pl022.c b/drivers/spi/spi-pl022.c index 6209540e06a..01e9aa45ea8 100644 --- a/drivers/spi/spi-pl022.c +++ b/drivers/spi/spi-pl022.c @@ -1019,11 +1019,11 @@ static int configure_dma(struct pl022 *pl022) pages = (pl022->cur_transfer->len >> PAGE_SHIFT) + 1; dev_dbg(&pl022->adev->dev, "using %d pages for transfer\n", pages); - ret = sg_alloc_table(&pl022->sgt_rx, pages, GFP_KERNEL); + ret = sg_alloc_table(&pl022->sgt_rx, pages, GFP_ATOMIC); if (ret) goto err_alloc_rx_sg; - ret = sg_alloc_table(&pl022->sgt_tx, pages, GFP_KERNEL); + ret = sg_alloc_table(&pl022->sgt_tx, pages, GFP_ATOMIC); if (ret) goto err_alloc_tx_sg; |