Hi Renaud,
On Mon, Aug 02, 2021 at 11:40:03AM +0100, Renaud Barbier wrote:
> Add the NXP IFC nand driver support. This driver
> can be used with the NXP QorIQ cores.
Could you leave a few words here which base you used for the driver? Is
it based on Linux or U-Boot, which version?
> +static void fsl_ifc_ctrl_init(void)
> +{
> + struct fsl_ifc_ctrl *ctrl;
> + struct device_node *np;
> +
> + np = of_find_compatible_node(NULL, NULL, "fsl,ifc");
> + if (!np)
> + return;
Looks like this function can fail, it should return an error.
> + while (!is_timeout(time_start, IFC_TIMEOUT_MS * MSECOND)) {
> + ifc_ctrl->nand_stat =
> + ifc_in32(ctrl->rregs + FSL_IFC_NAND_EVTER_STAT);
> +
> + if (!(ifc_ctrl->nand_stat & IFC_NAND_SRAM_INIT_EN))
> + return 0;
> + }
> + pr_err("fsl-ifc: Failed to Initialise SRAM\n");
> + return 1;
It would be better to return an error code here and propagate that.
Sascha
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