* FAILED: patch "[PATCH] ata: pata_hpt37x: fix PCI clock detection" failed to apply to 5.10-stable tree
@ 2022-02-28 6:37 gregkh
0 siblings, 0 replies; only message in thread
From: gregkh @ 2022-02-28 6:37 UTC (permalink / raw)
To: s.shtylyov, damien.lemoal; +Cc: stable
The patch below does not apply to the 5.10-stable tree.
If someone wants it applied there, or to any other stable or longterm
tree, then please email the backport, including the original git commit
id to <stable@vger.kernel.org>.
thanks,
greg k-h
------------------ original commit in Linus's tree ------------------
From 5f6b0f2d037c8864f20ff15311c695f65eb09db5 Mon Sep 17 00:00:00 2001
From: Sergey Shtylyov <s.shtylyov@omp.ru>
Date: Sat, 19 Feb 2022 23:04:29 +0300
Subject: [PATCH] ata: pata_hpt37x: fix PCI clock detection
The f_CNT register (at the PCI config. address 0x78) is 16-bit, not
8-bit! The bug was there from the very start... :-(
Signed-off-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Fixes: 669a5db411d8 ("[libata] Add a bunch of PATA drivers.")
Cc: stable@vger.kernel.org
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
diff --git a/drivers/ata/pata_hpt37x.c b/drivers/ata/pata_hpt37x.c
index 7abc7e04f656..1baaca7b72ed 100644
--- a/drivers/ata/pata_hpt37x.c
+++ b/drivers/ata/pata_hpt37x.c
@@ -950,14 +950,14 @@ static int hpt37x_init_one(struct pci_dev *dev, const struct pci_device_id *id)
if ((freq >> 12) != 0xABCDE) {
int i;
- u8 sr;
+ u16 sr;
u32 total = 0;
dev_warn(&dev->dev, "BIOS has not set timing clocks\n");
/* This is the process the HPT371 BIOS is reported to use */
for (i = 0; i < 128; i++) {
- pci_read_config_byte(dev, 0x78, &sr);
+ pci_read_config_word(dev, 0x78, &sr);
total += sr & 0x1FF;
udelay(15);
}
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2022-02-28 6:37 FAILED: patch "[PATCH] ata: pata_hpt37x: fix PCI clock detection" failed to apply to 5.10-stable tree gregkh
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