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X-Spam-Score: -1.9 (-) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, tthayer.linux@gmail.com, tthayer@opensource.altera.com, linux-arm-kernel@lists.infradead.org, linux-edac@vger.kernel.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.1 required=5.0 tests=BAD_ENC_HEADER,BAYES_00, DKIM_SIGNED,RCVD_IN_DNSWL_MED,RP_MATCHES_RCVD,T_DKIM_INVALID, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Thor Thayer In preparation for the Arria10 peripheral ECCs, a register offset from the ECC base was added to the private data structure to index to the error clear register. Since the Arria10 L2 cache ECC registers are not contiguous, a status base address was added. Signed-off-by: Thor Thayer --- v2: Split large patch into smaller patches. Add an ECC error clear offset to support the different register layout of Arria10 peripheral ECCs. --- drivers/edac/altera_edac.c | 10 ++++++++-- drivers/edac/altera_edac.h | 2 ++ 2 files changed, 10 insertions(+), 2 deletions(-) diff --git a/drivers/edac/altera_edac.c b/drivers/edac/altera_edac.c index 9e62a49..c28cd78 100644 --- a/drivers/edac/altera_edac.c +++ b/drivers/edac/altera_edac.c @@ -556,15 +556,16 @@ static irqreturn_t altr_edac_device_handler(int irq, void *dev_id) struct edac_device_ctl_info *dci = dev_id; struct altr_edac_device_dev *drvdata = dci->pvt_info; const struct edac_device_prv_data *priv = drvdata->data; + void __iomem *clear_addr = drvdata->status + priv->clear_err_ofst; if (irq == drvdata->sb_irq) { if (priv->ce_clear_mask) - writel(priv->ce_clear_mask, drvdata->base); + writel(priv->ce_clear_mask, clear_addr); edac_device_handle_ce(dci, 0, 0, drvdata->edac_dev_name); ret_value = IRQ_HANDLED; } else if (irq == drvdata->db_irq) { if (priv->ue_clear_mask) - writel(priv->ue_clear_mask, drvdata->base); + writel(priv->ue_clear_mask, clear_addr); edac_device_handle_ue(dci, 0, 0, drvdata->edac_dev_name); panic("\nEDAC:ECC_DEVICE[Uncorrectable errors]\n"); ret_value = IRQ_HANDLED; @@ -742,6 +743,9 @@ static int altr_edac_device_probe(struct platform_device *pdev) if (!drvdata->base) goto fail1; + /* Except for A10 L2 cache, status reg is within alloced base mem */ + drvdata->status = drvdata->base; + /* Get driver specific data for this EDAC device */ drvdata->data = of_match_node(altr_edac_device_of_match, np)->data; @@ -875,6 +879,7 @@ const struct edac_device_prv_data ocramecc_data = { .setup = altr_ocram_check_deps, .ce_clear_mask = (ALTR_OCR_ECC_EN | ALTR_OCR_ECC_SERR), .ue_clear_mask = (ALTR_OCR_ECC_EN | ALTR_OCR_ECC_DERR), + .clear_err_ofst = ALTR_OCR_ECC_REG_OFFSET, .dbgfs_name = "altr_ocram_trigger", .alloc_mem = ocram_alloc_mem, .free_mem = ocram_free_mem, @@ -949,6 +954,7 @@ const struct edac_device_prv_data l2ecc_data = { .setup = altr_l2_check_deps, .ce_clear_mask = 0, .ue_clear_mask = 0, + .clear_err_ofst = ALTR_L2_ECC_REG_OFFSET, .dbgfs_name = "altr_l2_trigger", .alloc_mem = l2_alloc_mem, .free_mem = l2_free_mem, diff --git a/drivers/edac/altera_edac.h b/drivers/edac/altera_edac.h index d4105b0..f15b4ad 100644 --- a/drivers/edac/altera_edac.h +++ b/drivers/edac/altera_edac.h @@ -225,6 +225,7 @@ struct edac_device_prv_data { struct altr_edac_device_dev *drvdata); int ce_clear_mask; int ue_clear_mask; + int clear_err_ofst; char dbgfs_name[20]; void * (*alloc_mem)(size_t size, void **other); void (*free_mem)(void *p, size_t size, void *other); @@ -238,6 +239,7 @@ struct edac_device_prv_data { struct altr_edac_device_dev { void __iomem *base; + void __iomem *status; int sb_irq; int db_irq; const struct edac_device_prv_data *data;