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8299d1f057
Rebased RPi foundation patches on linux 5.10.59, removed applied and reverted patches, wireless patches and defconfig patches. bcm2708: boot tested on RPi B+ v1.2 bcm2709: boot tested on RPi 4B v1.1 4G bcm2711: boot tested on RPi 4B v1.1 4G Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
153 lines
4.2 KiB
Diff
153 lines
4.2 KiB
Diff
From f10c9edf47d3fa240d965e151a48c670f5035b73 Mon Sep 17 00:00:00 2001
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From: Hayes Wang <hayeswang@realtek.com>
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Date: Fri, 16 Apr 2021 16:04:33 +0800
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Subject: [PATCH] r8152: adjust rtl8152_check_firmware function
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commit a8a7be178e81a3d4b6972cbeb0ccd091ca2f9f89 upstream.
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Use bits operations to record and check the firmware.
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Signed-off-by: Hayes Wang <hayeswang@realtek.com>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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---
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drivers/net/usb/r8152.c | 51 +++++++++++++++++++++++------------------
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1 file changed, 29 insertions(+), 22 deletions(-)
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--- a/drivers/net/usb/r8152.c
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+++ b/drivers/net/usb/r8152.c
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@@ -874,6 +874,14 @@ struct fw_header {
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struct fw_block blocks[];
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} __packed;
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+enum rtl8152_fw_flags {
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+ FW_FLAGS_USB = 0,
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+ FW_FLAGS_PLA,
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+ FW_FLAGS_START,
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+ FW_FLAGS_STOP,
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+ FW_FLAGS_NC,
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+};
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+
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/**
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* struct fw_mac - a firmware block used by RTL_FW_PLA and RTL_FW_USB.
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* The layout of the firmware block is:
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@@ -3800,10 +3808,7 @@ static long rtl8152_check_firmware(struc
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{
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const struct firmware *fw = rtl_fw->fw;
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struct fw_header *fw_hdr = (struct fw_header *)fw->data;
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- struct fw_mac *pla = NULL, *usb = NULL;
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- struct fw_phy_patch_key *start = NULL;
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- struct fw_phy_nc *phy_nc = NULL;
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- struct fw_block *stop = NULL;
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+ unsigned long fw_flags = 0;
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long ret = -EFAULT;
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int i;
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@@ -3832,50 +3837,52 @@ static long rtl8152_check_firmware(struc
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goto fail;
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goto fw_end;
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case RTL_FW_PLA:
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- if (pla) {
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+ if (test_bit(FW_FLAGS_PLA, &fw_flags)) {
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dev_err(&tp->intf->dev,
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"multiple PLA firmware encountered");
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goto fail;
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}
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- pla = (struct fw_mac *)block;
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- if (!rtl8152_is_fw_mac_ok(tp, pla)) {
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+ if (!rtl8152_is_fw_mac_ok(tp, (struct fw_mac *)block)) {
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dev_err(&tp->intf->dev,
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"check PLA firmware failed\n");
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goto fail;
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}
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+ __set_bit(FW_FLAGS_PLA, &fw_flags);
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break;
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case RTL_FW_USB:
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- if (usb) {
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+ if (test_bit(FW_FLAGS_USB, &fw_flags)) {
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dev_err(&tp->intf->dev,
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"multiple USB firmware encountered");
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goto fail;
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}
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- usb = (struct fw_mac *)block;
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- if (!rtl8152_is_fw_mac_ok(tp, usb)) {
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+ if (!rtl8152_is_fw_mac_ok(tp, (struct fw_mac *)block)) {
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dev_err(&tp->intf->dev,
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"check USB firmware failed\n");
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goto fail;
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}
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+ __set_bit(FW_FLAGS_USB, &fw_flags);
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break;
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case RTL_FW_PHY_START:
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- if (start || phy_nc || stop) {
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+ if (test_bit(FW_FLAGS_START, &fw_flags) ||
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+ test_bit(FW_FLAGS_NC, &fw_flags) ||
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+ test_bit(FW_FLAGS_STOP, &fw_flags)) {
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dev_err(&tp->intf->dev,
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"check PHY_START fail\n");
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goto fail;
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}
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- if (__le32_to_cpu(block->length) != sizeof(*start)) {
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+ if (__le32_to_cpu(block->length) != sizeof(struct fw_phy_patch_key)) {
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dev_err(&tp->intf->dev,
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"Invalid length for PHY_START\n");
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goto fail;
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}
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-
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- start = (struct fw_phy_patch_key *)block;
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+ __set_bit(FW_FLAGS_START, &fw_flags);
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break;
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case RTL_FW_PHY_STOP:
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- if (stop || !start) {
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+ if (test_bit(FW_FLAGS_STOP, &fw_flags) ||
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+ !test_bit(FW_FLAGS_START, &fw_flags)) {
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dev_err(&tp->intf->dev,
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"Check PHY_STOP fail\n");
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goto fail;
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@@ -3886,28 +3893,28 @@ static long rtl8152_check_firmware(struc
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"Invalid length for PHY_STOP\n");
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goto fail;
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}
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-
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- stop = block;
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+ __set_bit(FW_FLAGS_STOP, &fw_flags);
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break;
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case RTL_FW_PHY_NC:
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- if (!start || stop) {
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+ if (!test_bit(FW_FLAGS_START, &fw_flags) ||
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+ test_bit(FW_FLAGS_STOP, &fw_flags)) {
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dev_err(&tp->intf->dev,
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"check PHY_NC fail\n");
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goto fail;
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}
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- if (phy_nc) {
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+ if (test_bit(FW_FLAGS_NC, &fw_flags)) {
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dev_err(&tp->intf->dev,
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"multiple PHY NC encountered\n");
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goto fail;
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}
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- phy_nc = (struct fw_phy_nc *)block;
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- if (!rtl8152_is_fw_phy_nc_ok(tp, phy_nc)) {
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+ if (!rtl8152_is_fw_phy_nc_ok(tp, (struct fw_phy_nc *)block)) {
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dev_err(&tp->intf->dev,
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"check PHY NC firmware failed\n");
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goto fail;
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}
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+ __set_bit(FW_FLAGS_NC, &fw_flags);
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break;
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default:
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@@ -3921,7 +3928,7 @@ static long rtl8152_check_firmware(struc
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}
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fw_end:
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- if ((phy_nc || start) && !stop) {
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+ if (test_bit(FW_FLAGS_START, &fw_flags) && !test_bit(FW_FLAGS_STOP, &fw_flags)) {
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dev_err(&tp->intf->dev, "without PHY_STOP\n");
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goto fail;
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}
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