From 226b1c2b99ba3f6381b686ccacb2b691aa77fbe3 Mon Sep 17 00:00:00 2001 From: Kshitij Kulshreshtha Date: Wed, 4 Aug 2010 16:18:35 +0200 Subject: [PATCH] compat: backport pcmcia_{read,write}_config byte from v2.6.36 Signed-off-by: Kshitij Kulshreshtha --- include/pcmcia/ds.h | 36 ++++++++++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) create mode 100644 include/pcmcia/ds.h diff --git a/include/pcmcia/ds.h b/include/pcmcia/ds.h new file mode 100644 index 000000000000..fc4370376d62 --- /dev/null +++ b/include/pcmcia/ds.h @@ -0,0 +1,36 @@ +#ifndef _COMPAT_PCMCIA_DS_H +#define _COMPAT_PCMCIA_DS_H +#include + +#include_next + +#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,36) +/** + * pcmcia_read_config_byte() - read a byte from a card configuration register + * + * pcmcia_read_config_byte() reads a byte from a configuration register in + * attribute memory. + */ +static inline int pcmcia_read_config_byte(struct pcmcia_device *p_dev, off_t where, u8 *val) +{ + int ret; + conf_reg_t reg = { 0, CS_READ, where, 0 }; + ret = pcmcia_access_configuration_register(p_dev, ®); + *val = reg.Value; + return ret; +} + +/** + * pcmcia_write_config_byte() - write a byte to a card configuration register + * + * pcmcia_write_config_byte() writes a byte to a configuration register in + * attribute memory. + */ +static inline int pcmcia_write_config_byte(struct pcmcia_device *p_dev, off_t where, u8 val) +{ + conf_reg_t reg = { 0, CS_WRITE, where, val }; + return pcmcia_access_configuration_register(p_dev, ®); +} +#endif /* LINUX_VERSION_CODE < KERNEL_VERSION(2,6,36) */ + +#endif -- 2.30.2