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device: Make pciexp_get_ltr_max_latencies a public function 

Some device drivers may need to get access to the LTR values for their
respective devices, therefore export this function instead of marking it
static.

BUG=b:204343849

Change-Id: Id372600e8adec0d55d3483726bb9353139685774
Signed-off-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/60015
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nick Vaccaro <nvaccaro@google.com>
Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>
Reviewed-by: Subrata Banik <subratabanik@google.com>
This commit is contained in:
Tim Wawrzynczak 2021-12-08 21:16:43 -07:00 committed by Subrata Banik
parent d27dd97e17
commit a62cb5693b
2 changed files with 3 additions and 1 deletions
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2
src/device/pciexp_device.c
View File

@ -181,7 +181,7 @@ static void pciexp_enable_ltr(struct device *dev)
(void)_pciexp_enable_ltr(parent, parent_cap, dev, cap);
}
static bool pciexp_get_ltr_max_latencies(struct device *dev, u16 *max_snoop, u16 *max_nosnoop)
bool pciexp_get_ltr_max_latencies(struct device *dev, u16 *max_snoop, u16 *max_nosnoop)
{
/* Walk the hierarchy up to find get_ltr_max_latencies(). */
do {

2
src/include/device/pciexp.h
View File

@ -39,4 +39,6 @@ static inline bool pciexp_is_downstream_port(int type)
type == PCI_EXP_TYPE_PCIE_BRIDGE;
}
bool pciexp_get_ltr_max_latencies(struct device *dev, u16 *max_snoop, u16 *max_nosnoop);
#endif /* DEVICE_PCIEXP_H */