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-rw-r--r--include/asm-parisc/pci.h15
1 files changed, 13 insertions, 2 deletions
diff --git a/include/asm-parisc/pci.h b/include/asm-parisc/pci.h
index f277254159b..4c5e15ea3a0 100644
--- a/include/asm-parisc/pci.h
+++ b/include/asm-parisc/pci.h
@@ -18,6 +18,18 @@
*/
#define PCI_MAX_BUSSES 256
+
+/* To be used as: mdelay(pci_post_reset_delay);
+ *
+ * post_reset is the time the kernel should stall to prevent anyone from
+ * accessing the PCI bus once #RESET is de-asserted.
+ * PCI spec somewhere says 1 second but with multi-PCI bus systems,
+ * this makes the boot time much longer than necessary.
+ * 20ms seems to work for all the HP PCI implementations to date.
+ */
+#define pci_post_reset_delay 50
+
+
/*
** pci_hba_data (aka H2P_OBJECT in HP/UX)
**
@@ -83,7 +95,7 @@ static __inline__ int pci_is_lmmio(struct pci_hba_data *hba, unsigned long a)
/*
** Convert between PCI (IO_VIEW) addresses and processor (PA_VIEW) addresses.
-** See pcibios.c for more conversions used by Generic PCI code.
+** See pci.c for more conversions used by Generic PCI code.
**
** Platform characteristics/firmware guarantee that
** (1) PA_VIEW - IO_VIEW = lmmio_offset for both LMMIO and ELMMIO
@@ -191,7 +203,6 @@ struct pci_bios_ops {
*/
extern struct pci_port_ops *pci_port;
extern struct pci_bios_ops *pci_bios;
-extern int pci_post_reset_delay; /* delay after de-asserting #RESET */
extern int pci_hba_count;
extern struct pci_hba_data *parisc_pci_hba[];