From: <gregkh@linuxfoundation.org>
To: giovanni.cabiddu@intel.com, gregkh@linuxfoundation.org,
herbert@gondor.apana.org.au
Cc: <stable@vger.kernel.org>, <stable-commits@vger.kernel.org>
Subject: Patch "crypto: qat - fix bar discovery for c62x" has been added to the 4.9-stable tree
Date: Fri, 10 Feb 2017 14:36:00 +0100 [thread overview]
Message-ID: <1486733760135102@kroah.com> (raw)
This is a note to let you know that I've just added the patch titled
crypto: qat - fix bar discovery for c62x
to the 4.9-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
crypto-qat-fix-bar-discovery-for-c62x.patch
and it can be found in the queue-4.9 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.
>From 3484ecbe0e9deb94afb0b9b6172d77e98eb72b94 Mon Sep 17 00:00:00 2001
From: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Date: Thu, 22 Dec 2016 15:00:12 +0000
Subject: crypto: qat - fix bar discovery for c62x
From: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
commit 3484ecbe0e9deb94afb0b9b6172d77e98eb72b94 upstream.
Some accelerators of the c62x series have only two bars.
This patch skips BAR0 if the accelerator does not have it.
Signed-off-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/crypto/qat/qat_c62x/adf_drv.c | 2 +-
drivers/crypto/qat/qat_common/adf_accel_devices.h | 1 +
2 files changed, 2 insertions(+), 1 deletion(-)
--- a/drivers/crypto/qat/qat_c62x/adf_drv.c
+++ b/drivers/crypto/qat/qat_c62x/adf_drv.c
@@ -233,7 +233,7 @@ static int adf_probe(struct pci_dev *pde
&hw_data->accel_capabilities_mask);
/* Find and map all the device's BARS */
- i = 0;
+ i = (hw_data->fuses & ADF_DEVICE_FUSECTL_MASK) ? 1 : 0;
bar_mask = pci_select_bars(pdev, IORESOURCE_MEM);
for_each_set_bit(bar_nr, (const unsigned long *)&bar_mask,
ADF_PCI_MAX_BARS * 2) {
--- a/drivers/crypto/qat/qat_common/adf_accel_devices.h
+++ b/drivers/crypto/qat/qat_common/adf_accel_devices.h
@@ -69,6 +69,7 @@
#define ADF_ERRSOU5 (0x3A000 + 0xD8)
#define ADF_DEVICE_FUSECTL_OFFSET 0x40
#define ADF_DEVICE_LEGFUSE_OFFSET 0x4C
+#define ADF_DEVICE_FUSECTL_MASK 0x80000000
#define ADF_PCI_MAX_BARS 3
#define ADF_DEVICE_NAME_LENGTH 32
#define ADF_ETR_MAX_RINGS_PER_BANK 16
Patches currently in stable-queue which might be from giovanni.cabiddu@intel.com are
queue-4.9/crypto-qat-fix-bar-discovery-for-c62x.patch
queue-4.9/crypto-qat-zero-esram-only-for-dh85x-devices.patch
reply other threads:[~2017-02-10 13:40 UTC|newest]
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