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authorLinus Torvalds <torvalds@linux-foundation.org>2016-08-01 18:27:08 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2016-08-01 18:27:08 -0400
commitfbae5cbb43512446ba15a3b90039cb127d22ee95 (patch)
tree29f539576bc46537d7013d0ec0f4c2082dbca278 /drivers/net
parent6f888fe31dfcda4cb25018b0af3f50049fcf0b7f (diff)
parent4756f881ba303e4dada613feeacf44d26c3e35b9 (diff)
downloadlinux-fbae5cbb43512446ba15a3b90039cb127d22ee95.tar.bz2
Merge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC platform updates from Olof Johansson: "Improved and new platform support for various SoCs: New SoC support: - Broadcom BCM23550 - Freescale i.MX7Solo - Qualcomm MDM9615 - Renesas r8a7792 Improvements: - convert clps711x to multiplatform - debug uart improvements for Atmel platforms - Tango platform improvements: HOTPLUG_CPU, Suspend-to-ram - OMAP tweaks and improvements to hwmod - OMAP support for kexec on SMP" * tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (109 commits) ARM: davinci: fix build break because of undeclared dm365_evm_snd_data ARM: s3c64xx: smartq: Avoid sparse warnings ARM: sti: Implement dummy L2 cache's write_sec ARM: STi: Update machine _namestr to be more generic. arm: meson: explicitly select clk drivers ARM: tango: add Suspend-to-RAM support ARM: hisi: consolidate the hisilicon machine entries ARM: tango: fix CONFIG_HOTPLUG_CPU=n build MAINTAINERS: Update BCM281XX/BCM11XXX/BCM216XX entry MAINTAINERS: Update BCM63XX entry MAINTAINERS: Add NS2 entry MAINTAINERS: Fix nsp false-positives MAINTAINERS: Change L to M for Broadcom ARM/ARM64 SoC entries ARM: debug: Enable DEBUG_BCM_5301X for Northstar Plus SoCs ARM: clps711x: Switch to MULTIPLATFORM ARM: clps711x: Remove boards support ARM: clps711x: Add basic DT support ARM: clps711x: Reduce static map size ARM: SAMSUNG: Constify iomem address passed to s5p_init_cpu ARM: oxnas: Change OX810SE default driver config ...
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/ethernet/freescale/fec.h2
-rw-r--r--drivers/net/ethernet/freescale/fec_main.c12
2 files changed, 14 insertions, 0 deletions
diff --git a/drivers/net/ethernet/freescale/fec.h b/drivers/net/ethernet/freescale/fec.h
index 92fd5c0bf4df..c865135f3cb9 100644
--- a/drivers/net/ethernet/freescale/fec.h
+++ b/drivers/net/ethernet/freescale/fec.h
@@ -444,6 +444,8 @@ struct bufdesc_ex {
#define FEC_QUIRK_HAS_RACC (1 << 12)
/* Controller supports interrupt coalesc */
#define FEC_QUIRK_HAS_COALESCE (1 << 13)
+/* Interrupt doesn't wake CPU from deep idle */
+#define FEC_QUIRK_ERR006687 (1 << 14)
struct bufdesc_prop {
int qid;
diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c
index 4040003a74f9..01f7e811739b 100644
--- a/drivers/net/ethernet/freescale/fec_main.c
+++ b/drivers/net/ethernet/freescale/fec_main.c
@@ -60,6 +60,7 @@
#include <linux/if_vlan.h>
#include <linux/pinctrl/consumer.h>
#include <linux/prefetch.h>
+#include <soc/imx/cpuidle.h>
#include <asm/cacheflush.h>
@@ -2825,6 +2826,9 @@ fec_enet_open(struct net_device *ndev)
if (ret)
goto err_enet_mii_probe;
+ if (fep->quirks & FEC_QUIRK_ERR006687)
+ imx6q_cpuidle_fec_irqs_used();
+
napi_enable(&fep->napi);
phy_start(ndev->phydev);
netif_tx_start_all_queues(ndev);
@@ -2860,6 +2864,9 @@ fec_enet_close(struct net_device *ndev)
phy_disconnect(ndev->phydev);
+ if (fep->quirks & FEC_QUIRK_ERR006687)
+ imx6q_cpuidle_fec_irqs_unused();
+
fec_enet_clk_enable(ndev, false);
pinctrl_pm_select_sleep_state(&fep->pdev->dev);
pm_runtime_mark_last_busy(&fep->pdev->dev);
@@ -3304,6 +3311,11 @@ fec_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, ndev);
+ if ((of_machine_is_compatible("fsl,imx6q") ||
+ of_machine_is_compatible("fsl,imx6dl")) &&
+ !of_property_read_bool(np, "fsl,err006687-workaround-present"))
+ fep->quirks |= FEC_QUIRK_ERR006687;
+
if (of_get_property(np, "fsl,magic-packet", NULL))
fep->wol_flag |= FEC_WOL_HAS_MAGIC_PACKET;