From: Chin Liang See <clsee@altera.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH] socfpga: cleanup socfpga_dw_mmc
Date: Mon, 21 Jul 2014 05:49:28 -0500 [thread overview]
Message-ID: <1405939768.1969.1.camel@clsee-VirtualBox.altera.com> (raw)
In-Reply-To: <20140721103035.GA13156@amd.pavel.ucw.cz>
Hi Pavel,
On Mon, 2014-07-21 at 12:30 +0200, ZY - pavel wrote:
> Cleanups as suggested by wd on mailing list, plus I replaced
> calloc(...,1) with malloc().
>
> Signed-off-by: Pavel Machek <pavel@denx.de>
>
> --- a/drivers/mmc/socfpga_dw_mmc.c
> +++ b/drivers/mmc/socfpga_dw_mmc.c
> @@ -16,8 +16,6 @@ static const struct socfpga_clock_manager *clock_manager_base =
> static const struct socfpga_system_manager *system_manager_base =
> (void *)SOCFPGA_SYSMGR_ADDRESS;
>
> -static char *SOCFPGA_NAME = "SOCFPGA DWMMC";
> -
> #define CLKMGR_PERPLLGRP_EN_SDMMCCLK_MASK (1 << 8)
>
> static void socfpga_dwmci_clksel(struct dwmci_host *host)
> @@ -47,14 +45,15 @@ static void socfpga_dwmci_clksel(struct dwmci_host *host)
>
> int socfpga_dwmmc_init(u32 regbase, int bus_width, int index)
> {
> - struct dwmci_host *host = NULL;
> - host = calloc(sizeof(struct dwmci_host), 1);
> + struct dwmci_host *host;
> +
> + host = malloc(sizeof(struct dwmci_host));
We need calloc as it will initialize the allocated region. It will
prevent errors due to NULL comparison against uninitialized structure
member.
Thanks
Chin Liang
> if (!host) {
> printf("dwmci_host calloc fail!\n");
> return -1;
> }
>
> - host->name = SOCFPGA_NAME;
> + host->name = "SOCFPGA DWMMC";
> host->ioaddr = (void *)regbase;
> host->buswidth = bus_width;
> host->clksel = socfpga_dwmci_clksel;
>
>
next prev parent reply other threads:[~2014-07-21 10:49 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-07-16 12:34 [U-Boot] socfpga: initialize MMC Pavel Machek
2014-07-16 12:52 ` Wolfgang Denk
2014-07-16 13:13 ` Wolfgang Denk
2014-07-17 11:00 ` Chin Liang See
2014-07-17 12:01 ` Wolfgang Denk
2014-07-19 12:03 ` Pavel Machek
2014-07-21 10:20 ` Pavel Machek
2014-07-21 10:50 ` Wolfgang Denk
2014-07-21 12:05 ` Pavel Machek
2014-07-22 9:33 ` Chin Liang See
2014-09-09 13:16 ` [U-Boot] [PATCH] sort drivers/mmc/Makefile Pavel Machek
2014-09-12 7:25 ` Chin Liang See
2014-11-10 21:29 ` [U-Boot] " Tom Rini
2014-07-21 10:30 ` [U-Boot] [PATCH] socfpga: cleanup socfpga_dw_mmc Pavel Machek
2014-07-21 10:49 ` Chin Liang See [this message]
2014-07-21 11:30 ` [U-Boot] [PATCHv2] " Pavel Machek
2014-07-22 4:55 ` Chin Liang See
2014-08-30 15:13 ` [U-Boot] [U-Boot,PATCHv2] " Tom Rini
2014-07-22 3:22 ` [U-Boot] socfpga: initialize MMC Jaehoon Chung
2014-07-22 8:49 ` Pavel Machek
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