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authorroot <root@artemis.panaceas.org>2015-12-25 15:00:15 +0000
committerroot <root@artemis.panaceas.org>2015-12-25 15:00:15 +0000
commitddd86436f4e3643c04b797f858dab95d5f2e4de9 (patch)
treebfe7a780cf9a2f4fc33aec32c82e625e79dece1f /backport-include/linux/mmc/sdio_func.h
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Diffstat (limited to 'backport-include/linux/mmc/sdio_func.h')
-rw-r--r--backport-include/linux/mmc/sdio_func.h40
1 files changed, 40 insertions, 0 deletions
diff --git a/backport-include/linux/mmc/sdio_func.h b/backport-include/linux/mmc/sdio_func.h
new file mode 100644
index 0000000..f32cafc
--- /dev/null
+++ b/backport-include/linux/mmc/sdio_func.h
@@ -0,0 +1,40 @@
+#ifndef __BACKPORT_MMC_SDIO_FUNC_H
+#define __BACKPORT_MMC_SDIO_FUNC_H
+#include <linux/version.h>
+#include_next <linux/mmc/sdio_func.h>
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,35)
+#define sdio_writeb_readb(func, write_byte, addr, err_ret) sdio_readb(func, addr, err_ret)
+#endif
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,34)
+/*
+ * Backports da68c4eb25
+ * sdio: introduce API for special power management features
+ *
+ * We simply carry around the data structures and flags, and
+ * make the host return no flags set by the driver.
+ *
+ * This is declared in mmc/pm.h upstream, but that files
+ * didn't exist before this commit and isn't included directly.
+ */
+typedef unsigned int mmc_pm_flag_t;
+
+#define MMC_PM_KEEP_POWER (1 << 0) /* preserve card power during suspend */
+#define MMC_PM_WAKE_SDIO_IRQ (1 << 1) /* wake up host system on SDIO IRQ assertion */
+
+extern mmc_pm_flag_t sdio_get_host_pm_caps(struct sdio_func *func);
+extern int sdio_set_host_pm_flags(struct sdio_func *func, mmc_pm_flag_t flags);
+#endif
+
+#ifndef dev_to_sdio_func
+#define dev_to_sdio_func(d) container_of(d, struct sdio_func, dev)
+#endif
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,27) && \
+ LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24)
+#define sdio_align_size LINUX_BACKPORT(sdio_align_size)
+extern unsigned int sdio_align_size(struct sdio_func *func, unsigned int sz);
+#endif /* 2.6.24 - 2.6.26 */
+
+#endif /* __BACKPORT_MMC_SDIO_FUNC_H */