x86: Increase timeout for EHCI debug port reset completion in early printk

On one of my systems, several thousand iterations are needed before CMD_RESET can be observed clear after setting it. Using a much higher value here obviously cannot hurt. Signed-off-by: Jan Beulich <jbeulich@novell.com> Cc: Yinghai Lu <yhlu.kernel@gmail.com> LKML-Reference: <4AA0E85D02000078000136F9@vpn.id2.novell.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>

x86: Increase timeout for EHCI debug port reset completion in early printk
On one of my systems, several thousand iterations are needed before CMD_RESET can be observed clear after setting it. Using a much higher value here obviously cannot hurt. Signed-off-by: Jan Beulich <jbeulich@novell.com> Cc: Yinghai Lu <yhlu.kernel@gmail.com> LKML-Reference: <4AA0E85D02000078000136F9@vpn.id2.novell.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Jan Beulich · Ingo Molnar
1 parent 4fe487828b
Showing 1 changed file with 1 additions and 1 deletions Side-by-side Diff
arch/x86/kernel/early_printk.c
@@ -624,7 +624,7 @@
 		return -1;
 	}
  
-	loop = 10;
+	loop = 100000;
 	/* Reset the EHCI controller */
 	cmd = readl(&ehci_regs->command);
 	cmd |= CMD_RESET;
...	...	@@ -624,7 +624,7 @@
624	624	return -1;
625	625	}
626	626
627		- loop = 10;
	627	+ loop = 100000;
628	628	/* Reset the EHCI controller */
629	629	cmd = readl(&ehci_regs->command);
630	630	cmd \|= CMD_RESET;