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path: root/drivers/net/ethernet/cadence/macb_main.c
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Diffstat (limited to 'drivers/net/ethernet/cadence/macb_main.c')
-rw-r--r--drivers/net/ethernet/cadence/macb_main.c26
1 files changed, 24 insertions, 2 deletions
diff --git a/drivers/net/ethernet/cadence/macb_main.c b/drivers/net/ethernet/cadence/macb_main.c
index a2897549f9c4..51c9fd6f68a4 100644
--- a/drivers/net/ethernet/cadence/macb_main.c
+++ b/drivers/net/ethernet/cadence/macb_main.c
@@ -38,6 +38,7 @@
#include <linux/pm_runtime.h>
#include <linux/ptp_classify.h>
#include <linux/reset.h>
+#include <linux/firmware/xlnx-zynqmp.h>
#include "macb.h"
/* This structure is only used for MACB on SiFive FU540 devices */
@@ -3977,8 +3978,8 @@ static int macb_init(struct platform_device *pdev)
queue = &bp->queues[q];
queue->bp = bp;
spin_lock_init(&queue->tx_ptr_lock);
- netif_napi_add(dev, &queue->napi_rx, macb_rx_poll, NAPI_POLL_WEIGHT);
- netif_napi_add(dev, &queue->napi_tx, macb_tx_poll, NAPI_POLL_WEIGHT);
+ netif_napi_add(dev, &queue->napi_rx, macb_rx_poll);
+ netif_napi_add(dev, &queue->napi_tx, macb_tx_poll);
if (hw_q) {
queue->ISR = GEM_ISR(hw_q - 1);
queue->IER = GEM_IER(hw_q - 1);
@@ -4621,6 +4622,25 @@ static int init_reset_optional(struct platform_device *pdev)
"failed to init SGMII PHY\n");
}
+ ret = zynqmp_pm_is_function_supported(PM_IOCTL, IOCTL_SET_GEM_CONFIG);
+ if (!ret) {
+ u32 pm_info[2];
+
+ ret = of_property_read_u32_array(pdev->dev.of_node, "power-domains",
+ pm_info, ARRAY_SIZE(pm_info));
+ if (ret) {
+ dev_err(&pdev->dev, "Failed to read power management information\n");
+ goto err_out_phy_exit;
+ }
+ ret = zynqmp_pm_set_gem_config(pm_info[1], GEM_CONFIG_FIXED, 0);
+ if (ret)
+ goto err_out_phy_exit;
+
+ ret = zynqmp_pm_set_gem_config(pm_info[1], GEM_CONFIG_SGMII_MODE, 1);
+ if (ret)
+ goto err_out_phy_exit;
+ }
+
/* Fully reset controller at hardware level if mapped in device tree */
ret = device_reset_optional(&pdev->dev);
if (ret) {
@@ -4629,6 +4649,8 @@ static int init_reset_optional(struct platform_device *pdev)
}
ret = macb_init(pdev);
+
+err_out_phy_exit:
if (ret)
phy_exit(bp->sgmii_phy);