silabs/wfx/bus_sdio.c

45 	struct sdio_func *func;
65 	ret = sdio_memcpy_fromio(bus->func, dst, sdio_addr, count);
86 	ret = sdio_memcpy_toio(bus->func, sdio_addr, (void *)src, count);
97 	sdio_claim_host(bus->func);
104 	sdio_release_host(bus->func);
107 static void wfx_sdio_irq_handler(struct sdio_func *func)
109 	struct wfx_sdio_priv *bus = sdio_get_drvdata(func);
118 	sdio_claim_host(bus->func);
120 	sdio_release_host(bus->func);
132 		sdio_claim_host(bus->func);
133 		ret = sdio_claim_irq(bus->func, wfx_sdio_irq_handler);
134 		sdio_release_host(bus->func);
142 	ret = devm_request_threaded_irq(&bus->func->dev, bus->of_irq, NULL,
146 	sdio_claim_host(bus->func);
147 	cccr = sdio_f0_readb(bus->func, SDIO_CCCR_IENx, NULL);
149 	cccr |= BIT(bus->func->num);
150 	sdio_f0_writeb(bus->func, cccr, SDIO_CCCR_IENx, NULL);
151 	sdio_release_host(bus->func);
161 		devm_free_irq(&bus->func->dev, bus->of_irq, bus);
162 	sdio_claim_host(bus->func);
163 	ret = sdio_release_irq(bus->func);
164 	sdio_release_host(bus->func);
172 	return sdio_align_size(bus->func, size);
194 static int wfx_sdio_probe(struct sdio_func *func, const struct sdio_device_id *id)
196 	const struct wfx_platform_data *pdata = of_device_get_match_data(&func->dev);
197 	struct device_node *np = func->dev.of_node;
201 	if (func->num != 1) {
202 		dev_err(&func->dev, "SDIO function number is %d while it should always be 1 (unsupported chip?)\n",
203 			func->num);
208 		dev_warn(&func->dev, "no compatible device found in DT\n");
212 	bus = devm_kzalloc(&func->dev, sizeof(*bus), GFP_KERNEL);
216 	bus->func = func;
218 	sdio_set_drvdata(func, bus);
220 	sdio_claim_host(func);
221 	ret = sdio_enable_func(func);
223 	sdio_set_block_size(func, 64);
224 	sdio_release_host(func);
228 	bus->core = wfx_init_common(&func->dev, pdata, &wfx_sdio_hwbus_ops, bus);
241 	sdio_claim_host(func);
242 	sdio_disable_func(func);
243 	sdio_release_host(func);
247 static void wfx_sdio_remove(struct sdio_func *func)
249 	struct wfx_sdio_priv *bus = sdio_get_drvdata(func);
252 	sdio_claim_host(func);
253 	sdio_disable_func(func);
254 	sdio_release_host(func);