X-Git-Url: http://git.openwrt.org/?p=openwrt%2Fstaging%2Fchunkeey.git;a=blobdiff_plain;f=target%2Flinux%2Fmediatek%2Fpatches-4.9%2F0063-atomic-sleep.patch;fp=target%2Flinux%2Fmediatek%2Fpatches-4.9%2F0063-atomic-sleep.patch;h=3a8cd596116eef8ab3105edbbcefa1e0edf1916d;hp=0000000000000000000000000000000000000000;hb=c972779e9875a3b69ae607bdb691bf5ff52710cf;hpb=9e9696afc8f295b5abd1a8bc0b1826d7ec5e54ca

diff --git a/target/linux/mediatek/patches-4.9/0063-atomic-sleep.patch b/target/linux/mediatek/patches-4.9/0063-atomic-sleep.patch
new file mode 100644
index 0000000000..3a8cd59611
--- /dev/null
+++ b/target/linux/mediatek/patches-4.9/0063-atomic-sleep.patch
@@ -0,0 +1,40 @@
+Index: linux-4.9.50/drivers/net/ethernet/mediatek/mtk_eth_soc.c
+===================================================================
+--- linux-4.9.50.orig/drivers/net/ethernet/mediatek/mtk_eth_soc.c
++++ linux-4.9.50/drivers/net/ethernet/mediatek/mtk_eth_soc.c
+@@ -1533,7 +1533,10 @@ static void mtk_hwlro_rx_uninit(struct m
+ 	for (i = 0; i < 10; i++) {
+ 		val = mtk_r32(eth, MTK_PDMA_LRO_CTRL_DW0);
+ 		if (val & MTK_LRO_RING_RELINQUISH_DONE) {
+-			msleep(20);
++			if (in_atomic())
++				mdelay(20);
++			else
++				msleep(20);
+ 			continue;
+ 		}
+ 		break;
+@@ -1951,7 +1954,10 @@ static void mtk_stop_dma(struct mtk_eth
+ 	for (i = 0; i < 10; i++) {
+ 		val = mtk_r32(eth, glo_cfg);
+ 		if (val & (MTK_TX_DMA_BUSY | MTK_RX_DMA_BUSY)) {
+-			msleep(20);
++			if (in_atomic())
++				mdelay(20);
++			else
++				msleep(20);
+ 			continue;
+ 		}
+ 		break;
+@@ -1996,7 +2002,10 @@ static void ethsys_reset(struct mtk_eth
+ 			   reset_bits,
+ 			   reset_bits);
+ 
+-	usleep_range(1000, 1100);
++	if (in_atomic())
++		udelay(1000);
++	else
++		usleep_range(1000, 1100);
+ 	regmap_update_bits(eth->ethsys, ETHSYS_RSTCTRL,
+ 			   reset_bits,
+ 			   ~reset_bits);