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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-mtd" Errors-To: linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org From: Tudor Ambarus The sam9x60 board defines the CCFG_EBICSA register under SFR, and not as a MATRIX register, as previous boards do. Add a more generic name for the EBICSA regmap, as a prerequisite for sam9x60 nand controller support. Signed-off-by: Tudor Ambarus --- drivers/mtd/nand/raw/atmel/nand-controller.c | 28 +++++++++++++++++----------- 1 file changed, 17 insertions(+), 11 deletions(-) diff --git a/drivers/mtd/nand/raw/atmel/nand-controller.c b/drivers/mtd/nand/raw/atmel/nand-controller.c index 5781fcf6b76c..6aef98b7338a 100644 --- a/drivers/mtd/nand/raw/atmel/nand-controller.c +++ b/drivers/mtd/nand/raw/atmel/nand-controller.c @@ -211,6 +211,7 @@ struct atmel_nand_controller_caps { bool legacy_of_bindings; u32 ale_offs; u32 cle_offs; + const char *ebi_csa_regmap_name; const struct atmel_nand_controller_ops *ops; }; @@ -233,7 +234,7 @@ to_nand_controller(struct nand_controller *ctl) struct atmel_smc_nand_controller { struct atmel_nand_controller base; - struct regmap *matrix; + struct regmap *ebi_csa_regmap; unsigned int ebi_csa_offs; }; @@ -1507,12 +1508,12 @@ static void atmel_smc_nand_init(struct atmel_nand_controller *nc, atmel_nand_init(nc, nand); smc_nc = to_smc_nand_controller(chip->controller); - if (!smc_nc->matrix) + if (!smc_nc->ebi_csa_regmap) return; /* Attach the CS to the NAND Flash logic. */ for (i = 0; i < nand->numcs; i++) - regmap_update_bits(smc_nc->matrix, smc_nc->ebi_csa_offs, + regmap_update_bits(smc_nc->ebi_csa_regmap, smc_nc->ebi_csa_offs, BIT(nand->cs[i].id), BIT(nand->cs[i].id)); } @@ -1833,7 +1834,7 @@ static void atmel_nand_controller_cleanup(struct atmel_nand_controller *nc) clk_put(nc->mck); } -static const struct of_device_id atmel_matrix_of_ids[] = { +static const struct of_device_id atmel_ebi_csa_regmap_of_ids[] = { { .compatible = "atmel,at91sam9260-matrix", .data = (void *)AT91SAM9260_MATRIX_EBICSA, @@ -1982,25 +1983,26 @@ atmel_smc_nand_controller_init(struct atmel_smc_nand_controller *nc) struct device_node *np; int ret; - /* We do not retrieve the matrix syscon when parsing old DTs. */ + /* We do not retrieve the EBICSA regmap when parsing old DTs. */ if (nc->base.caps->legacy_of_bindings) return 0; - np = of_parse_phandle(dev->parent->of_node, "atmel,matrix", 0); + np = of_parse_phandle(dev->parent->of_node, + nc->base.caps->ebi_csa_regmap_name, 0); if (!np) return 0; - match = of_match_node(atmel_matrix_of_ids, np); + match = of_match_node(atmel_ebi_csa_regmap_of_ids, np); if (!match) { of_node_put(np); return 0; } - nc->matrix = syscon_node_to_regmap(np); + nc->ebi_csa_regmap = syscon_node_to_regmap(np); of_node_put(np); - if (IS_ERR(nc->matrix)) { - ret = PTR_ERR(nc->matrix); - dev_err(dev, "Could not get Matrix regmap (err = %d)\n", ret); + if (IS_ERR(nc->ebi_csa_regmap)) { + ret = PTR_ERR(nc->ebi_csa_regmap); + dev_err(dev, "Could not get EBICSA regmap (err = %d)\n", ret); return ret; } @@ -2341,6 +2343,7 @@ static const struct atmel_nand_controller_ops at91rm9200_nc_ops = { static const struct atmel_nand_controller_caps atmel_rm9200_nc_caps = { .ale_offs = BIT(21), .cle_offs = BIT(22), + .ebi_csa_regmap_name = "atmel,matrix", .ops = &at91rm9200_nc_ops, }; @@ -2355,12 +2358,14 @@ static const struct atmel_nand_controller_ops atmel_smc_nc_ops = { static const struct atmel_nand_controller_caps atmel_sam9260_nc_caps = { .ale_offs = BIT(21), .cle_offs = BIT(22), + .ebi_csa_regmap_name = "atmel,matrix", .ops = &atmel_smc_nc_ops, }; static const struct atmel_nand_controller_caps atmel_sam9261_nc_caps = { .ale_offs = BIT(22), .cle_offs = BIT(21), + .ebi_csa_regmap_name = "atmel,matrix", .ops = &atmel_smc_nc_ops, }; @@ -2368,6 +2373,7 @@ static const struct atmel_nand_controller_caps atmel_sam9g45_nc_caps = { .has_dma = true, .ale_offs = BIT(21), .cle_offs = BIT(22), + .ebi_csa_regmap_name = "atmel,matrix", .ops = &atmel_smc_nc_ops, }; -- 2.9.5 ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/