s390/pci: inline get_zdev

Inline get_zdev to save ~200 bytes of kernel text for CONFIG_PCI=y.
Also rename the function to to_zpci to make clear that we don't do
reference counting here.

Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

diff --git a/arch/s390/include/asm/pci.h b/arch/s390/include/asm/pci.h
index a648338..9b6545e 100644 (file)
--- a/arch/s390/include/asm/pci.h
+++ b/arch/s390/include/asm/pci.h
@@ -170,7 +170,11 @@ static inline void zpci_exit_slot(struct zpci_dev *zdev) {}
 #endif /* CONFIG_HOTPLUG_PCI_S390 */
 
 /* Helpers */
-struct zpci_dev *get_zdev(struct pci_dev *);
+static inline struct zpci_dev *to_zpci(struct pci_dev *pdev)
+{
+       return pdev->sysdata;
+}
+
 struct zpci_dev *get_zdev_by_fid(u32);
 
 /* DMA */

diff --git a/arch/s390/pci/pci.c b/arch/s390/pci/pci.c
index 598f023..6316f49 100644 (file)
--- a/arch/s390/pci/pci.c
+++ b/arch/s390/pci/pci.c
@@ -76,11 +76,6 @@ EXPORT_SYMBOL_GPL(zpci_iomap_start);
 
 static struct kmem_cache *zdev_fmb_cache;
 
-struct zpci_dev *get_zdev(struct pci_dev *pdev)
-{
-       return (struct zpci_dev *) pdev->sysdata;
-}
-
 struct zpci_dev *get_zdev_by_fid(u32 fid)
 {
        struct zpci_dev *tmp, *zdev = NULL;
@@ -269,7 +264,7 @@ void __iomem *pci_iomap_range(struct pci_dev *pdev,
                              unsigned long offset,
                              unsigned long max)
 {
-       struct zpci_dev *zdev = get_zdev(pdev);
+       struct zpci_dev *zdev = to_zpci(pdev);
        u64 addr;
        int idx;
 
@@ -385,7 +380,7 @@ static void zpci_irq_handler(struct airq_struct *airq)
 
 int arch_setup_msi_irqs(struct pci_dev *pdev, int nvec, int type)
 {
-       struct zpci_dev *zdev = get_zdev(pdev);
+       struct zpci_dev *zdev = to_zpci(pdev);
        unsigned int hwirq, msi_vecs;
        unsigned long aisb;
        struct msi_desc *msi;
@@ -460,7 +455,7 @@ out:
 
 void arch_teardown_msi_irqs(struct pci_dev *pdev)
 {
-       struct zpci_dev *zdev = get_zdev(pdev);
+       struct zpci_dev *zdev = to_zpci(pdev);
        struct msi_desc *msi;
        int rc;
 
@@ -648,7 +643,7 @@ static void zpci_cleanup_bus_resources(struct zpci_dev *zdev)
 
 int pcibios_add_device(struct pci_dev *pdev)
 {
-       struct zpci_dev *zdev = get_zdev(pdev);
+       struct zpci_dev *zdev = to_zpci(pdev);
        struct resource *res;
        int i;
 
@@ -673,7 +668,7 @@ void pcibios_release_device(struct pci_dev *pdev)
 
 int pcibios_enable_device(struct pci_dev *pdev, int mask)
 {
-       struct zpci_dev *zdev = get_zdev(pdev);
+       struct zpci_dev *zdev = to_zpci(pdev);
 
        zdev->pdev = pdev;
        zpci_debug_init_device(zdev);
@@ -684,7 +679,7 @@ int pcibios_enable_device(struct pci_dev *pdev, int mask)
 
 void pcibios_disable_device(struct pci_dev *pdev)
 {
-       struct zpci_dev *zdev = get_zdev(pdev);
+       struct zpci_dev *zdev = to_zpci(pdev);
 
        zpci_fmb_disable_device(zdev);
        zpci_debug_exit_device(zdev);
@@ -695,7 +690,7 @@ void pcibios_disable_device(struct pci_dev *pdev)
 static int zpci_restore(struct device *dev)
 {
        struct pci_dev *pdev = to_pci_dev(dev);
-       struct zpci_dev *zdev = get_zdev(pdev);
+       struct zpci_dev *zdev = to_zpci(pdev);
        int ret = 0;
 
        if (zdev->state != ZPCI_FN_STATE_ONLINE)
@@ -717,7 +712,7 @@ out:
 static int zpci_freeze(struct device *dev)
 {
        struct pci_dev *pdev = to_pci_dev(dev);
-       struct zpci_dev *zdev = get_zdev(pdev);
+       struct zpci_dev *zdev = to_zpci(pdev);
 
        if (zdev->state != ZPCI_FN_STATE_ONLINE)
                return 0;

diff --git a/arch/s390/pci/pci_dma.c b/arch/s390/pci/pci_dma.c
index 6fd8d58..42b7658 100644 (file)
--- a/arch/s390/pci/pci_dma.c
+++ b/arch/s390/pci/pci_dma.c
@@ -277,7 +277,7 @@ static dma_addr_t s390_dma_map_pages(struct device *dev, struct page *page,
                                     enum dma_data_direction direction,
                                     struct dma_attrs *attrs)
 {
-       struct zpci_dev *zdev = get_zdev(to_pci_dev(dev));
+       struct zpci_dev *zdev = to_zpci(to_pci_dev(dev));
        unsigned long nr_pages, iommu_page_index;
        unsigned long pa = page_to_phys(page) + offset;
        int flags = ZPCI_PTE_VALID;
@@ -316,7 +316,7 @@ static void s390_dma_unmap_pages(struct device *dev, dma_addr_t dma_addr,
                                 size_t size, enum dma_data_direction direction,
                                 struct dma_attrs *attrs)
 {
-       struct zpci_dev *zdev = get_zdev(to_pci_dev(dev));
+       struct zpci_dev *zdev = to_zpci(to_pci_dev(dev));
        unsigned long iommu_page_index;
        int npages;
 
@@ -337,7 +337,7 @@ static void *s390_dma_alloc(struct device *dev, size_t size,
                            dma_addr_t *dma_handle, gfp_t flag,
                            struct dma_attrs *attrs)
 {
-       struct zpci_dev *zdev = get_zdev(to_pci_dev(dev));
+       struct zpci_dev *zdev = to_zpci(to_pci_dev(dev));
        struct page *page;
        unsigned long pa;
        dma_addr_t map;
@@ -367,7 +367,7 @@ static void s390_dma_free(struct device *dev, size_t size,
                          void *pa, dma_addr_t dma_handle,
                          struct dma_attrs *attrs)
 {
-       struct zpci_dev *zdev = get_zdev(to_pci_dev(dev));
+       struct zpci_dev *zdev = to_zpci(to_pci_dev(dev));
 
        size = PAGE_ALIGN(size);
        atomic64_sub(size / PAGE_SIZE, &zdev->allocated_pages);

diff --git a/arch/s390/pci/pci_sysfs.c b/arch/s390/pci/pci_sysfs.c
index fa3ce89..dad920f 100644 (file)
--- a/arch/s390/pci/pci_sysfs.c
+++ b/arch/s390/pci/pci_sysfs.c
@@ -16,7 +16,7 @@
 static ssize_t name##_show(struct device *dev,                         \
                           struct device_attribute *attr, char *buf)    \
 {                                                                      \
-       struct zpci_dev *zdev = get_zdev(to_pci_dev(dev));              \
+       struct zpci_dev *zdev = to_zpci(to_pci_dev(dev));               \
                                                                        \
        return sprintf(buf, fmt, zdev->member);                         \
 }                                                                      \
@@ -38,7 +38,7 @@ static ssize_t recover_store(struct device *dev, struct device_attribute *attr,
                             const char *buf, size_t count)
 {
        struct pci_dev *pdev = to_pci_dev(dev);
-       struct zpci_dev *zdev = get_zdev(pdev);
+       struct zpci_dev *zdev = to_zpci(pdev);
        int ret;
 
        if (!device_remove_file_self(dev, attr))
@@ -64,7 +64,7 @@ static ssize_t util_string_read(struct file *filp, struct kobject *kobj,
 {
        struct device *dev = kobj_to_dev(kobj);
        struct pci_dev *pdev = to_pci_dev(dev);
-       struct zpci_dev *zdev = get_zdev(pdev);
+       struct zpci_dev *zdev = to_zpci(pdev);
 
        return memory_read_from_buffer(buf, count, &off, zdev->util_str,
                                       sizeof(zdev->util_str));