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openmptcprouter/6.12/target/linux/bcm27xx/patches-6.12/950-0436-drivers-mmc-add-debugfs-entries-for-SD-extension-reg.patch
Ycarus (Yannick Chabanois) bdb9b0046f Add bcm27xx 6.12 test support
2024-12-20 14:17:26 +01:00

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2 KiB
Diff

From 4683c4f300038315db1523772fa82c02236ad5c2 Mon Sep 17 00:00:00 2001
From: Jonathan Bell <jonathan@raspberrypi.com>
Date: Tue, 26 Mar 2024 13:39:47 +0000
Subject: [PATCH 436/697] drivers: mmc: add debugfs entries for SD extension
registers
Also report the card's supported queue depth in the message log.
Signed-off-by: Jonathan Bell <jonathan@raspberrypi.com>
---
drivers/mmc/core/mmc.c | 4 ++--
drivers/mmc/core/sd.c | 9 ++++++---
2 files changed, 8 insertions(+), 5 deletions(-)
--- a/drivers/mmc/core/mmc.c
+++ b/drivers/mmc/core/mmc.c
@@ -1915,8 +1915,8 @@ static int mmc_init_card(struct mmc_host
host->cqe_enabled = true;
if (card->ext_csd.cmdq_en) {
- pr_info("%s: Command Queue Engine enabled\n",
- mmc_hostname(host));
+ pr_info("%s: Command Queue Engine enabled, %u tags\n",
+ mmc_hostname(host), card->ext_csd.cmdq_depth);
} else {
host->hsq_enabled = true;
pr_info("%s: Host Software Queue enabled\n",
--- a/drivers/mmc/core/sd.c
+++ b/drivers/mmc/core/sd.c
@@ -710,7 +710,8 @@ MMC_DEV_ATTR(oemid, "0x%04x\n", card->ci
MMC_DEV_ATTR(serial, "0x%08x\n", card->cid.serial);
MMC_DEV_ATTR(ocr, "0x%08x\n", card->ocr);
MMC_DEV_ATTR(rca, "0x%04x\n", card->rca);
-
+MMC_DEV_ATTR(ext_perf, "%02x\n", card->ext_perf.feature_support);
+MMC_DEV_ATTR(ext_power, "%02x\n", card->ext_power.feature_support);
static ssize_t mmc_dsr_show(struct device *dev, struct device_attribute *attr,
char *buf)
@@ -772,6 +773,8 @@ static struct attribute *sd_std_attrs[]
&dev_attr_ocr.attr,
&dev_attr_rca.attr,
&dev_attr_dsr.attr,
+ &dev_attr_ext_perf.attr,
+ &dev_attr_ext_power.attr,
NULL,
};
@@ -1507,8 +1510,8 @@ cont:
host->cqe_enabled = true;
if (card->ext_csd.cmdq_en) {
- pr_info("%s: Command Queue Engine enabled\n",
- mmc_hostname(host));
+ pr_info("%s: Command Queue Engine enabled, %u tags\n",
+ mmc_hostname(host), card->ext_csd.cmdq_depth);
} else {
host->hsq_enabled = true;
pr_info("%s: Host Software Queue enabled\n",