rapidio/tsi721: use PCI define for Max_Read_Request_Size

Replace a magic number with a PCI #define symbol.

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Alexandre Bounine <alexandre.bounine@idt.com>

2 files changed, 1 insertions, 3 deletions

diff --git a/drivers/rapidio/devices/tsi721.c b/drivers/rapidio/devices/tsi721.c
index 8bcfecd66281..eeca70ddbf61 100644
--- a/drivers/rapidio/devices/tsi721.c
+++ b/drivers/rapidio/devices/tsi721.c
@@ -2430,7 +2430,7 @@ static int tsi721_probe(struct pci_dev *pdev,
         pcie_capability_clear_and_set_word(pdev, PCI_EXP_DEVCTL,
                 PCI_EXP_DEVCTL_READRQ | PCI_EXP_DEVCTL_RELAX_EN |
                 PCI_EXP_DEVCTL_NOSNOOP_EN,
-                0x2 << MAX_READ_REQUEST_SZ_SHIFT);
+                PCI_EXP_DEVCTL_READRQ_512B);
 
         /* Adjust PCIe completion timeout. */
         pcie_capability_clear_and_set_word(pdev, PCI_EXP_DEVCTL2, 0xf, 0x2);
diff --git a/drivers/rapidio/devices/tsi721.h b/drivers/rapidio/devices/tsi721.h
index a7b42680a06a..9d2502543ef6 100644
--- a/drivers/rapidio/devices/tsi721.h
+++ b/drivers/rapidio/devices/tsi721.h
@@ -72,8 +72,6 @@
 #define TSI721_MSIXPBA_OFFSET   0x2a000
 #define TSI721_PCIECFG_EPCTL    0x400
 
-#define MAX_READ_REQUEST_SZ_SHIFT       12
-
 /*
  * Event Management Registers
  */