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Message-ID: <1559292898-64090-2-git-send-email-tanhuazhong@huawei.com>
Date: Fri, 31 May 2019 16:54:47 +0800
From: Huazhong Tan <tanhuazhong@...wei.com>
To: <davem@...emloft.net>
CC: <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
<salil.mehta@...wei.com>, <yisen.zhuang@...wei.com>,
<linuxarm@...wei.com>, Huazhong Tan <tanhuazhong@...wei.com>,
Peng Li <lipeng321@...wei.com>
Subject: [PATCH net-next 01/12] net: hns3: remove redundant core reset
Since core reset is similar to the global reset, so this
patch removes it and uses global reset to replace it.
Signed-off-by: Huazhong Tan <tanhuazhong@...wei.com>
Signed-off-by: Peng Li <lipeng321@...wei.com>
---
drivers/net/ethernet/hisilicon/hns3/hnae3.h | 1 -
.../net/ethernet/hisilicon/hns3/hns3pf/hclge_err.c | 24 +++++++++----------
.../ethernet/hisilicon/hns3/hns3pf/hclge_main.c | 28 ----------------------
3 files changed, 12 insertions(+), 41 deletions(-)
diff --git a/drivers/net/ethernet/hisilicon/hns3/hnae3.h b/drivers/net/ethernet/hisilicon/hns3/hnae3.h
index a18645e..51c2ff1 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hnae3.h
+++ b/drivers/net/ethernet/hisilicon/hns3/hnae3.h
@@ -154,7 +154,6 @@ enum hnae3_reset_type {
HNAE3_VF_FULL_RESET,
HNAE3_FLR_RESET,
HNAE3_FUNC_RESET,
- HNAE3_CORE_RESET,
HNAE3_GLOBAL_RESET,
HNAE3_IMP_RESET,
HNAE3_UNKNOWN_RESET,
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_err.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_err.c
index 4ac8063..55c4a1b 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_err.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_err.c
@@ -87,25 +87,25 @@ static const struct hclge_hw_error hclge_msix_sram_ecc_int[] = {
static const struct hclge_hw_error hclge_igu_int[] = {
{ .int_msk = BIT(0), .msg = "igu_rx_buf0_ecc_mbit_err",
- .reset_level = HNAE3_CORE_RESET },
+ .reset_level = HNAE3_GLOBAL_RESET },
{ .int_msk = BIT(2), .msg = "igu_rx_buf1_ecc_mbit_err",
- .reset_level = HNAE3_CORE_RESET },
+ .reset_level = HNAE3_GLOBAL_RESET },
{ /* sentinel */ }
};
static const struct hclge_hw_error hclge_igu_egu_tnl_int[] = {
{ .int_msk = BIT(0), .msg = "rx_buf_overflow",
- .reset_level = HNAE3_CORE_RESET },
+ .reset_level = HNAE3_GLOBAL_RESET },
{ .int_msk = BIT(1), .msg = "rx_stp_fifo_overflow",
- .reset_level = HNAE3_CORE_RESET },
+ .reset_level = HNAE3_GLOBAL_RESET },
{ .int_msk = BIT(2), .msg = "rx_stp_fifo_undeflow",
- .reset_level = HNAE3_CORE_RESET },
+ .reset_level = HNAE3_GLOBAL_RESET },
{ .int_msk = BIT(3), .msg = "tx_buf_overflow",
- .reset_level = HNAE3_CORE_RESET },
+ .reset_level = HNAE3_GLOBAL_RESET },
{ .int_msk = BIT(4), .msg = "tx_buf_underrun",
- .reset_level = HNAE3_CORE_RESET },
+ .reset_level = HNAE3_GLOBAL_RESET },
{ .int_msk = BIT(5), .msg = "rx_stp_buf_overflow",
- .reset_level = HNAE3_CORE_RESET },
+ .reset_level = HNAE3_GLOBAL_RESET },
{ /* sentinel */ }
};
@@ -413,13 +413,13 @@ static const struct hclge_hw_error hclge_ppu_mpf_abnormal_int_st2[] = {
static const struct hclge_hw_error hclge_ppu_mpf_abnormal_int_st3[] = {
{ .int_msk = BIT(4), .msg = "gro_bd_ecc_mbit_err",
- .reset_level = HNAE3_CORE_RESET },
+ .reset_level = HNAE3_GLOBAL_RESET },
{ .int_msk = BIT(5), .msg = "gro_context_ecc_mbit_err",
- .reset_level = HNAE3_CORE_RESET },
+ .reset_level = HNAE3_GLOBAL_RESET },
{ .int_msk = BIT(6), .msg = "rx_stash_cfg_ecc_mbit_err",
- .reset_level = HNAE3_CORE_RESET },
+ .reset_level = HNAE3_GLOBAL_RESET },
{ .int_msk = BIT(7), .msg = "axi_rd_fbd_ecc_mbit_err",
- .reset_level = HNAE3_CORE_RESET },
+ .reset_level = HNAE3_GLOBAL_RESET },
{ /* sentinel */ }
};
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
index 0545f38..f0f618d 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
@@ -2706,15 +2706,6 @@ static u32 hclge_check_event_cause(struct hclge_dev *hdev, u32 *clearval)
return HCLGE_VECTOR0_EVENT_RST;
}
- if (BIT(HCLGE_VECTOR0_CORERESET_INT_B) & rst_src_reg) {
- dev_info(&hdev->pdev->dev, "core reset interrupt\n");
- set_bit(HCLGE_STATE_CMD_DISABLE, &hdev->state);
- set_bit(HNAE3_CORE_RESET, &hdev->reset_pending);
- *clearval = BIT(HCLGE_VECTOR0_CORERESET_INT_B);
- hdev->rst_stats.core_rst_cnt++;
- return HCLGE_VECTOR0_EVENT_RST;
- }
-
/* check for vector0 msix event source */
if (msix_src_reg & HCLGE_VECTOR0_REG_MSIX_MASK) {
dev_dbg(&hdev->pdev->dev, "received event 0x%x\n",
@@ -2941,10 +2932,6 @@ static int hclge_reset_wait(struct hclge_dev *hdev)
reg = HCLGE_GLOBAL_RESET_REG;
reg_bit = HCLGE_GLOBAL_RESET_BIT;
break;
- case HNAE3_CORE_RESET:
- reg = HCLGE_GLOBAL_RESET_REG;
- reg_bit = HCLGE_CORE_RESET_BIT;
- break;
case HNAE3_FUNC_RESET:
reg = HCLGE_FUN_RST_ING;
reg_bit = HCLGE_FUN_RST_ING_B;
@@ -3076,12 +3063,6 @@ static void hclge_do_reset(struct hclge_dev *hdev)
hclge_write_dev(&hdev->hw, HCLGE_GLOBAL_RESET_REG, val);
dev_info(&pdev->dev, "Global Reset requested\n");
break;
- case HNAE3_CORE_RESET:
- val = hclge_read_dev(&hdev->hw, HCLGE_GLOBAL_RESET_REG);
- hnae3_set_bit(val, HCLGE_CORE_RESET_BIT, 1);
- hclge_write_dev(&hdev->hw, HCLGE_GLOBAL_RESET_REG, val);
- dev_info(&pdev->dev, "Core Reset requested\n");
- break;
case HNAE3_FUNC_RESET:
dev_info(&pdev->dev, "PF Reset requested\n");
/* schedule again to check later */
@@ -3128,16 +3109,10 @@ static enum hnae3_reset_type hclge_get_reset_level(struct hclge_dev *hdev,
rst_level = HNAE3_IMP_RESET;
clear_bit(HNAE3_IMP_RESET, addr);
clear_bit(HNAE3_GLOBAL_RESET, addr);
- clear_bit(HNAE3_CORE_RESET, addr);
clear_bit(HNAE3_FUNC_RESET, addr);
} else if (test_bit(HNAE3_GLOBAL_RESET, addr)) {
rst_level = HNAE3_GLOBAL_RESET;
clear_bit(HNAE3_GLOBAL_RESET, addr);
- clear_bit(HNAE3_CORE_RESET, addr);
- clear_bit(HNAE3_FUNC_RESET, addr);
- } else if (test_bit(HNAE3_CORE_RESET, addr)) {
- rst_level = HNAE3_CORE_RESET;
- clear_bit(HNAE3_CORE_RESET, addr);
clear_bit(HNAE3_FUNC_RESET, addr);
} else if (test_bit(HNAE3_FUNC_RESET, addr)) {
rst_level = HNAE3_FUNC_RESET;
@@ -3165,9 +3140,6 @@ static void hclge_clear_reset_cause(struct hclge_dev *hdev)
case HNAE3_GLOBAL_RESET:
clearval = BIT(HCLGE_VECTOR0_GLOBALRESET_INT_B);
break;
- case HNAE3_CORE_RESET:
- clearval = BIT(HCLGE_VECTOR0_CORERESET_INT_B);
- break;
default:
break;
}
--
2.7.4
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