Re: [PATCH 6/7] ARM: socfpga: Enable Arria10 OCRAM ECC on startup
From: Thor Thayer <hidden>
Date: 2016-03-31 16:03:41
Also in:
linux-arm-kernel, lkml
From: Thor Thayer <hidden>
Date: 2016-03-31 16:03:41
Also in:
linux-arm-kernel, lkml
Hi Dinh, On 03/30/2016 12:11 PM, Dinh Nguyen wrote:
On Wed, 30 Mar 2016, tthayer@opensource.altera.com wrote:quoted
From: Thor Thayer <redacted> Enable ECC for Arria10 On-Chip RAM on machine startup. The ECC has to be enabled before data is stored in memory otherwise the ECC will fail on reads. Signed-off-by: Thor Thayer <redacted> ---[snip]quoted
+ +void socfpga_init_arria10_ocram_ecc(void) +{ + struct device_node *np; + int ret; + + /* Find the OCRAM EDAC device tree node */ + np = of_find_compatible_node(NULL, NULL, "altr,socfpga-a10-ocram-ecc"); + if (!np) { + pr_err("Unable to find socfpga-a10-ocram-ecc\n"); + return; + } + + ret = altr_init_a10_ecc_block(np, A10_SYSMGR_ECC_INTSTAT_OCRAM, + ALTR_A10_OCRAM_ECC_EN_CTL, 0);I think this is a no-no, you shouldn't be making a call directly into the driver from here. BR, Dinh
OK. I'll make the initialization local and resubmit. Thanks for reviewing.