return 0;
 }
 
-static struct pxa_spi_info lpss_info_config = {
+static const struct pxa_spi_info lpss_info_config = {
        .setup = lpss_spi_setup,
 };
 
        return pxa2xx_spi_pci_clk_register(dev, ssp, 3686400);
 }
 
-static struct pxa_spi_info ce4100_info_config = {
+static const struct pxa_spi_info ce4100_info_config = {
        .setup = ce4100_spi_setup,
 };
 
        return 0;
 }
 
-static struct pxa_spi_info mrfld_info_config = {
+static const struct pxa_spi_info mrfld_info_config = {
        .setup = mrfld_spi_setup,
 };
 
        return pxa2xx_spi_pci_clk_register(dev, ssp, 50000000);
 }
 
-static struct pxa_spi_info qrk_info_config = {
+static const struct pxa_spi_info qrk_info_config = {
        .setup = qrk_spi_setup,
 };
 
 static int pxa2xx_spi_pci_probe(struct pci_dev *dev,
                const struct pci_device_id *ent)
 {
+       const struct pxa_spi_info *info;
        struct platform_device_info pi;
        int ret;
        struct platform_device *pdev;
        struct pxa2xx_spi_controller spi_pdata;
-       struct pxa_spi_info *info;
        struct ssp_device *ssp;
 
        ret = pcim_enable_device(dev);