From mboxrd@z Thu Jan 1 00:00:00 1970 From: roy.pledge@nxp.com (Roy Pledge) Date: Wed, 18 Jan 2017 17:39:31 -0500 Subject: [PATCH 01/10] soc/qbman: Use portable mapping for the FQD reserved memory In-Reply-To: <1484779180-1344-1-git-send-email-roy.pledge@nxp.com> References: <1484779180-1344-1-git-send-email-roy.pledge@nxp.com> Message-ID: <1484779180-1344-2-git-send-email-roy.pledge@nxp.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org From: Claudiu Manoil Use memremap/memset to zero the private QBMan areas to ensure portability. Signed-off-by: Claudiu Manoil Signed-off-by: Roy Pledge --- drivers/soc/fsl/qbman/qman_ccsr.c | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-) diff --git a/drivers/soc/fsl/qbman/qman_ccsr.c b/drivers/soc/fsl/qbman/qman_ccsr.c index f4e6e70d..43feaa9 100644 --- a/drivers/soc/fsl/qbman/qman_ccsr.c +++ b/drivers/soc/fsl/qbman/qman_ccsr.c @@ -441,16 +441,14 @@ static unsigned int qm_get_fqid_maxcnt(void) static int zero_priv_mem(struct device *dev, struct device_node *node, phys_addr_t addr, size_t sz) { - /* map as cacheable, non-guarded */ - void __iomem *tmpp = ioremap_prot(addr, sz, 0); - + void *tmpp = memremap(addr, sz, MEMREMAP_WB); if (!tmpp) return -ENOMEM; - memset_io(tmpp, 0, sz); + memset(tmpp, 0, sz); flush_dcache_range((unsigned long)tmpp, (unsigned long)tmpp + sz); - iounmap(tmpp); + memunmap(tmpp); return 0; } -- 1.7.9.5