Re: [PATCH v3 1/4] NAND: FSL-UPM: add multi chip support
From: Wolfgang Grandegger <hidden>
Date: 2009-03-25 10:57:41
Singh, Vimal wrote:
quoted
+static void fun_select_chip(struct mtd_info *mtd, int chip_nr) +{ + struct nand_chip *chip = mtd->priv; + struct fsl_upm_nand *fun = to_fsl_upm_nand(mtd); + + if (chip_nr == -1) { + chip->cmd_ctrl(mtd, NAND_CMD_NONE, 0 | NAND_CTRL_CHANGE); + } else if (chip_nr >= 0) { + fun->chip_number = chip_nr; + chip->IO_ADDR_R = chip->IO_ADDR_W = + fun->io_base + chip_nr * fun->chip_offset; + } else { + BUG(); + }braces are not required here...
Really? In the coding style I read: http://lxr.linux.no/linux+v2.6.29/Documentation/CodingStyle#L171
quoted
+ prop = of_get_property(ofdev->node, "num-chips", &size); + if (prop && size == sizeof(uint32_t)) { + fun->num_chips = *prop; + if (fun->num_chips >= NAND_MAX_CHIPS) { + dev_err(&ofdev->dev, "too much chips"); + ret = -EINVAL; + goto err1; + } + } else { + fun->num_chips = 1; + }ditto...
See above. Wolfgang.