From a1d261c561522151cb96c75f1dd1a51cf17665cf Mon Sep 17 00:00:00 2001 From: Thomas Klein Date: Fri, 3 Nov 2006 17:48:23 +0100 Subject: [PATCH] ehea: 64K page support fix This patch fixes 64k page support by using PAGE_MASK and appropriate pagesize defines in several places. Signed-off-by: Thomas Klein Signed-off-by: Jeff Garzik --- drivers/net/ehea/ehea_phyp.h | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) (limited to 'drivers/net/ehea/ehea_phyp.h') diff --git a/drivers/net/ehea/ehea_phyp.h b/drivers/net/ehea/ehea_phyp.h index fa51e3b5bb0..919f94b7593 100644 --- a/drivers/net/ehea/ehea_phyp.h +++ b/drivers/net/ehea/ehea_phyp.h @@ -81,14 +81,16 @@ static inline u32 get_longbusy_msecs(int long_busy_ret_code) static inline void hcp_epas_ctor(struct h_epas *epas, u64 paddr_kernel, u64 paddr_user) { - epas->kernel.addr = ioremap(paddr_kernel, PAGE_SIZE); + /* To support 64k pages we must round to 64k page boundary */ + epas->kernel.addr = ioremap((paddr_kernel & PAGE_MASK), PAGE_SIZE) + + (paddr_kernel & ~PAGE_MASK); epas->user.addr = paddr_user; } static inline void hcp_epas_dtor(struct h_epas *epas) { if (epas->kernel.addr) - iounmap(epas->kernel.addr); + iounmap((void __iomem*)((u64)epas->kernel.addr & PAGE_MASK)); epas->user.addr = 0; epas->kernel.addr = 0; -- cgit v1.2.3