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crypto: qat - fix bar discovery for c62x

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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>
This commit is contained in:
Giovanni Cabiddu 2016-12-22 15:00:12 +00:00 committed by Herbert Xu
parent ac6d9a2cec
commit 4f78ce870a
2 changed files with 2 additions and 1 deletions
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2
drivers/crypto/qat/qat_c62x/adf_drv.c
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@ -233,7 +233,7 @@ static int adf_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
&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) {

1
drivers/crypto/qat/qat_common/adf_accel_devices.h
View File

@ -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