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kernel
os
linux
crypto: qat - fix bar discovery for c62x
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>
authored by
Giovanni Cabiddu
and committed by
Herbert Xu
4f78ce87
ac6d9a2c
+2
-1
+1
-1
drivers/crypto/qat/qat_c62x/adf_drv.c
+1
-1
drivers/crypto/qat/qat_c62x/adf_drv.c
···
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&hw_data->accel_capabilities_mask);
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/* Find and map all the device's BARS */
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-
i = 0;
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+
i = (hw_data->fuses & ADF_DEVICE_FUSECTL_MASK) ? 1 : 0;
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bar_mask = pci_select_bars(pdev, IORESOURCE_MEM);
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for_each_set_bit(bar_nr, (const unsigned long *)&bar_mask,
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ADF_PCI_MAX_BARS * 2) {
+1
drivers/crypto/qat/qat_common/adf_accel_devices.h
+1
drivers/crypto/qat/qat_common/adf_accel_devices.h
···
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#define ADF_ERRSOU5 (0x3A000 + 0xD8)
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#define ADF_DEVICE_FUSECTL_OFFSET 0x40
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#define ADF_DEVICE_LEGFUSE_OFFSET 0x4C
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+
#define ADF_DEVICE_FUSECTL_MASK 0x80000000
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#define ADF_PCI_MAX_BARS 3
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#define ADF_DEVICE_NAME_LENGTH 32
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#define ADF_ETR_MAX_RINGS_PER_BANK 16