mmc: sdricoh_cs: Use devm_mmc_alloc_host() helper

Use new function devm_mmc_alloc_host() to simplify the code.

Reviewed-by: Huacai Chen <[e-mail]>
Signed-off-by: Binbin Zhou <[e-mail]>
Link: https://lore.kernel.org/r/ce[e-mail]
Signed-off-by: Ulf Hansson <[e-mail]>

drivers/mmc/host/sdricoh_cs.c

···
 	}
 	/* allocate privdata */
 	mmc = pcmcia_dev->priv =
-	    mmc_alloc_host(sizeof(struct sdricoh_host), &pcmcia_dev->dev);
+	    devm_mmc_alloc_host(&pcmcia_dev->dev, sizeof(*host));
 	if (!mmc) {
-		dev_err(dev, "mmc_alloc_host failed\n");
+		dev_err(dev, "devm_mmc_alloc_host failed\n");
 		result = -ENOMEM;
 		goto unmap_io;
 	}
···
 	if (sdricoh_reset(host)) {
 		dev_dbg(dev, "could not reset\n");
 		result = -EIO;
-		goto free_host;
+		goto unmap_io;
 	}
 
 	result = mmc_add_host(mmc);
···
 		dev_dbg(dev, "mmc host registered\n");
 		return 0;
 	}
-free_host:
-	mmc_free_host(mmc);
 unmap_io:
 	pci_iounmap(pci_dev, iobase);
 	return result;
···
 		mmc_remove_host(mmc);
 		pci_iounmap(host->pci_dev, host->iobase);
 		pci_dev_put(host->pci_dev);
-		mmc_free_host(mmc);
 	}
 	pcmcia_disable_device(link);
-
 }
 
 #ifdef CONFIG_PM