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Message-Id: <20240709-imx95_edac-v1-2-3e9c146c1b01@nxp.com>
Date: Tue, 09 Jul 2024 16:23:03 -0400
From: Frank Li <Frank.Li@....com>
To: York Sun <york.sun@....com>, Borislav Petkov <bp@...en8.de>,
Tony Luck <tony.luck@...el.com>, James Morse <james.morse@....com>,
Mauro Carvalho Chehab <mchehab@...nel.org>,
Robert Richter <rric@...nel.org>, Krzysztof Kozlowski <krzk@...nel.org>,
Rob Herring <robh@...nel.org>, Conor Dooley <conor+dt@...nel.org>,
Krzysztof Kozlowski <krzk+dt@...nel.org>, Shawn Guo <shawnguo@...nel.org>,
Sascha Hauer <s.hauer@...gutronix.de>,
Pengutronix Kernel Team <kernel@...gutronix.de>,
Fabio Estevam <festevam@...il.com>
Cc: linux-edac@...r.kernel.org, linux-kernel@...r.kernel.org,
Borislav Petkov <bp@...e.de>, devicetree@...r.kernel.org,
imx@...ts.linux.dev, linux-arm-kernel@...ts.infradead.org,
Frank Li <Frank.Li@....com>
Subject: [PATCH 2/6] EDAC, fsl_ddr: Move global variable into struct
fsl_mc_pdata
Move global variable into struct fsl_mc_data in case there are more than
one ddr controller in system.
No function change.
Signed-off-by: Frank Li <Frank.Li@....com>
---
drivers/edac/fsl_ddr_edac.c | 21 +++++++++------------
drivers/edac/fsl_ddr_edac.h | 3 +++
2 files changed, 12 insertions(+), 12 deletions(-)
diff --git a/drivers/edac/fsl_ddr_edac.c b/drivers/edac/fsl_ddr_edac.c
index a7982370e2381..10b0a46669f3d 100644
--- a/drivers/edac/fsl_ddr_edac.c
+++ b/drivers/edac/fsl_ddr_edac.c
@@ -31,22 +31,18 @@
static int edac_mc_idx;
-static u32 orig_ddr_err_disable;
-static u32 orig_ddr_err_sbe;
-static bool little_endian;
-
static inline u32 ddr_in32(struct fsl_mc_pdata *pdata, unsigned int off)
{
void __iomem *addr = pdata->mc_vbase + off;
- return little_endian ? ioread32(addr) : ioread32be(addr);
+ return pdata->little_endian ? ioread32(addr) : ioread32be(addr);
}
static inline void ddr_out32(struct fsl_mc_pdata *pdata, unsigned int off, u32 value)
{
void __iomem *addr = pdata->mc_vbase + off;
- if (little_endian)
+ if (pdata->little_endian)
iowrite32(value, addr);
else
iowrite32be(value, addr);
@@ -511,7 +507,7 @@ int fsl_mc_err_probe(struct platform_device *op)
* Get the endianness of DDR controller registers.
* Default is big endian.
*/
- little_endian = of_property_read_bool(op->dev.of_node, "little-endian");
+ pdata->little_endian = of_property_read_bool(op->dev.of_node, "little-endian");
res = of_address_to_resource(op->dev.of_node, 0, &r);
if (res) {
@@ -535,7 +531,7 @@ int fsl_mc_err_probe(struct platform_device *op)
goto err;
}
- sdram_ctl = ddr_in32(pdata->mc_vbase + FSL_MC_DDR_SDRAM_CFG);
+ sdram_ctl = ddr_in32(pdata, FSL_MC_DDR_SDRAM_CFG);
if (!(sdram_ctl & DSC_ECC_EN)) {
/* no ECC */
pr_warn("%s: No ECC DIMMs discovered\n", __func__);
@@ -562,7 +558,7 @@ int fsl_mc_err_probe(struct platform_device *op)
fsl_ddr_init_csrows(mci);
/* store the original error disable bits */
- orig_ddr_err_disable = ddr_in32(pdata, FSL_MC_ERR_DISABLE);
+ pdata->orig_ddr_err_disable = ddr_in32(pdata, FSL_MC_ERR_DISABLE);
ddr_out32(pdata, FSL_MC_ERR_DISABLE, 0);
/* clear all error bits */
@@ -579,7 +575,7 @@ int fsl_mc_err_probe(struct platform_device *op)
DDR_EIE_MBEE | DDR_EIE_SBEE);
/* store the original error management threshold */
- orig_ddr_err_sbe = ddr_in32(pdata,
+ pdata->orig_ddr_err_sbe = ddr_in32(pdata,
FSL_MC_ERR_SBE) & 0xff0000;
/* set threshold to 1 error per interrupt */
@@ -628,8 +624,9 @@ void fsl_mc_err_remove(struct platform_device *op)
}
ddr_out32(pdata, FSL_MC_ERR_DISABLE,
- orig_ddr_err_disable);
- ddr_out32(pdata, FSL_MC_ERR_SBE, orig_ddr_err_sbe);
+ pdata->orig_ddr_err_disable);
+ ddr_out32(pdata, FSL_MC_ERR_SBE, pdata->orig_ddr_err_sbe);
+
edac_mc_del_mc(&op->dev);
edac_mc_free(mci);
diff --git a/drivers/edac/fsl_ddr_edac.h b/drivers/edac/fsl_ddr_edac.h
index c0994a2a003c2..de66f9822fba1 100644
--- a/drivers/edac/fsl_ddr_edac.h
+++ b/drivers/edac/fsl_ddr_edac.h
@@ -70,6 +70,9 @@ struct fsl_mc_pdata {
int edac_idx;
void __iomem *mc_vbase;
int irq;
+ u32 orig_ddr_err_disable;
+ u32 orig_ddr_err_sbe;
+ bool little_endian;
};
int fsl_mc_err_probe(struct platform_device *op);
void fsl_mc_err_remove(struct platform_device *op);
--
2.34.1
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