On 8/6/2010 5:57 PM, Kalliguddi, Hema wrote:
From: Hema HK<[email protected]>
<snip>
void __init usb_musb_init(struct omap_musb_board_data *board_data)
{
- if (cpu_is_omap243x()) {
- musb_resources[0].start = OMAP243X_HS_BASE;
- } else if (cpu_is_omap34xx()) {
- musb_resources[0].start = OMAP34XX_HSUSB_OTG_BASE;
- } else if (cpu_is_omap44xx()) {
- musb_resources[0].start = OMAP44XX_HSUSB_OTG_BASE;
- musb_resources[1].start = OMAP44XX_IRQ_HS_USB_MC_N;
- musb_resources[2].start = OMAP44XX_IRQ_HS_USB_DMA_N;
+ char oh_name[MAX_OMAP_MUSB_HWMOD_NAME_LEN];
+ struct omap_hwmod *oh;
+ struct omap_device *od;
+ struct platform_device *pdev;
+ struct device *dev;
+ int l, bus_id = -1;
+ struct musb_hdrc_platform_data *pdata;
+
+ l = snprintf(oh_name, MAX_OMAP_MUSB_HWMOD_NAME_LEN,
+ "usb_otg_hs");
+ WARN(l>= MAX_OMAP_MUSB_HWMOD_NAME_LEN,
+ "String buffer overflow in MUSB device setup\n");
This is not needed in your case. Just use a const char*, and you will
avoid the useless snprintf and test.
+
+ oh = omap_hwmod_lookup(oh_name);
+
+ if (!oh) {
+ pr_err("Could not look up %s\n", oh_name);
+ } else {
You can avoid that indentation be returning in case of failure.
+ /*
+ * REVISIT: This line can be removed once all the platforms
+ * using musb_core.c have been converted to use use clkdev.
+ */
+ musb_plat.clock = "ick";
+ musb_plat.board_data = board_data;
+ musb_plat.power = board_data->power>> 1;
+ musb_plat.mode = board_data->mode;
+ pdata =&musb_plat;
+
+ od = omap_device_build(name, bus_id, oh, pdata,
+ sizeof(struct musb_hdrc_platform_data),
+ omap_musb_latency,
+ ARRAY_SIZE(omap_musb_latency), false);
+ if (IS_ERR(od)) {
+ pr_err("Could not build omap_device for %s %s\n",
+ name, oh_name);
> + } else {
You can avoid that second level of indentation be returning in case of
failure as well.
Benoit
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