diff options
Diffstat (limited to 'target/linux/lantiq')
-rw-r--r-- | target/linux/lantiq/patches-5.4/0800-spi-lantiq-ssc-Fix-warning-by-using-WQ_MEM_RECLAI.patch | 35 |
1 files changed, 0 insertions, 35 deletions
diff --git a/target/linux/lantiq/patches-5.4/0800-spi-lantiq-ssc-Fix-warning-by-using-WQ_MEM_RECLAI.patch b/target/linux/lantiq/patches-5.4/0800-spi-lantiq-ssc-Fix-warning-by-using-WQ_MEM_RECLAI.patch deleted file mode 100644 index b2e1ff8907..0000000000 --- a/target/linux/lantiq/patches-5.4/0800-spi-lantiq-ssc-Fix-warning-by-using-WQ_MEM_RECLAI.patch +++ /dev/null @@ -1,35 +0,0 @@ -From 907137d9ef048e7d0282c28e47b32aa4084ad395 Mon Sep 17 00:00:00 2001 -From: Hauke Mehrtens <hauke@hauke-m.de> -Date: Mon, 6 Jul 2020 00:05:12 +0200 -Subject: [PATCH v2] spi: lantiq-ssc: Fix warning by using WQ_MEM_RECLAIM - -The lantiq-ssc driver uses internally an own workqueue to wait till the -data is not only written out of the FIFO but really written to the wire. -This workqueue is flushed while the SPI subsystem is working in some -other system workqueue. - -The system workqueue is marked as WQ_MEM_RECLAIM, but the workqueue in -the lantiq-ssc driver does not use WQ_MEM_RECLAIM for now. Add this flag -too to prevent this warning. - -This fixes the following warning: -[ 2.975956] WARNING: CPU: 1 PID: 17 at kernel/workqueue.c:2614 check_flush_dependency+0x168/0x184 -[ 2.984752] workqueue: WQ_MEM_RECLAIM kblockd:blk_mq_run_work_fn is flushing !WQ_MEM_RECLAIM 1e100800.spi:0x0 - -Fixes: 891b7c5fbf61 ("mtd_blkdevs: convert to blk-mq") -Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> ---- - drivers/spi/spi-lantiq-ssc.c | 2 +- - 1 file changed, 1 insertion(+), 1 deletion(-) - ---- a/drivers/spi/spi-lantiq-ssc.c -+++ b/drivers/spi/spi-lantiq-ssc.c -@@ -907,7 +907,7 @@ static int lantiq_ssc_probe(struct platf - master->bits_per_word_mask = SPI_BPW_RANGE_MASK(2, 8) | - SPI_BPW_MASK(16) | SPI_BPW_MASK(32); - -- spi->wq = alloc_ordered_workqueue(dev_name(dev), 0); -+ spi->wq = alloc_ordered_workqueue(dev_name(dev), WQ_MEM_RECLAIM); - if (!spi->wq) { - err = -ENOMEM; - goto err_clk_put; |