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PCI: tegra264: Fix build for Linux v6.9

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The pci_epc_features structure was updated in Linux v6.9 to move various
fields under a new pci_epc_bar_desc structure. Use conftest to determine
if the new pci_epc_bar_desc structure is present.

Finally, add the endpoint alignment for the inbound ATU on Tegra264
which is 64kB.

Bug 4627271

Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Change-Id: I074e19ca53cea0e13d9872b240a023dd83779ae7
Reviewed-on: https://git-master.nvidia.com/r/c/linux-t264/+/3129630
Reviewed-by: Manikanta Maddireddy <mmaddireddy@nvidia.com>
GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>
This commit is contained in:
Jon Hunter
2024-05-01 20:57:36 +01:00
parent 0bf232b1d8
commit 4d4e8e54eb
1 changed files with 11 additions and 0 deletions
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11
drivers/pci/controller/private-soc/pcie-tegra264-ep.c
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@@ -7,6 +7,8 @@
* Author: Manikanta Maddireddy <mmaddireddy@nvidia.com>
*/
#include <nvidia/conftest.h>
#include <linux/delay.h>
#include <linux/gpio.h>
#include <linux/gpio/consumer.h>
@@ -525,8 +527,17 @@ static const struct pci_epc_features tegra264_pcie_epc_features = {
.core_init_notifier = false,
.msi_capable = true,
.msix_capable = false,
#if defined (NV_PCI_EPC_FEATURES_STRUCT_HAS_BAR)
.bar[BAR_0] = { .type = BAR_RESERVED, },
.bar[BAR_2] = { .type = BAR_FIXED, .fixed_size = SZ_32M, },
.bar[BAR_3] = { .type = BAR_RESERVED, },
.bar[BAR_4] = { .type = BAR_RESERVED, },
.bar[BAR_5] = { .type = BAR_RESERVED, },
#else
.reserved_bar = 1 << BAR_0 | 1 << BAR_3 | 1 << BAR_4 | 1 << BAR_5,
.bar_fixed_size[2] = SZ_32M,
#endif
.align = SZ_64K,
};
static const struct pci_epc_features *tegra264_pcie_ep_get_features(struct pci_epc *epc,