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author | Josh Boyer <jwboyer@redhat.com> | 2012-01-13 13:18:41 -0500 |
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committer | Josh Boyer <jwboyer@redhat.com> | 2012-01-13 13:18:41 -0500 |
commit | 04ca5f92017cf78ee23cb5135e6af820c1058c0b (patch) | |
tree | 4375e404711bf376d2c7cf1433c36b930ac0c4d8 /compat-wireless-rtl8192cu-Fix-WARNING-on-suspend-resume.patch | |
parent | 3aa57a610543086ee7c7bf9f0c455b49d6b2f0b0 (diff) | |
download | kernel-04ca5f92017cf78ee23cb5135e6af820c1058c0b.tar.gz kernel-04ca5f92017cf78ee23cb5135e6af820c1058c0b.tar.xz kernel-04ca5f92017cf78ee23cb5135e6af820c1058c0b.zip |
Fix verbose logging messages in the rtl8192cu driver (rhbz 728740)
Diffstat (limited to 'compat-wireless-rtl8192cu-Fix-WARNING-on-suspend-resume.patch')
-rw-r--r-- | compat-wireless-rtl8192cu-Fix-WARNING-on-suspend-resume.patch | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/compat-wireless-rtl8192cu-Fix-WARNING-on-suspend-resume.patch b/compat-wireless-rtl8192cu-Fix-WARNING-on-suspend-resume.patch new file mode 100644 index 000000000..7a3792c25 --- /dev/null +++ b/compat-wireless-rtl8192cu-Fix-WARNING-on-suspend-resume.patch @@ -0,0 +1,131 @@ +--- linux-2.6/drivers/net/wireless/rtlwifi/rtl8192c/fw_common.c ++++ linux-2.6/drivers/net/wireless/rtlwifi/rtl8192c/fw_common.c +@@ -265,7 +265,6 @@ int rtl92c_download_fw(struct ieee80211_ + if (!rtlhal->pfirmware) + return 1; + +- pr_info("Loading firmware file %s\n", rtlpriv->cfg->fw_name); + pfwheader = (struct rtl92c_firmware_header *)rtlhal->pfirmware; + pfwdata = (u8 *) rtlhal->pfirmware; + fwsize = rtlhal->fwsize; +--- linux-2.6/drivers/net/wireless/rtlwifi/rtl8192ce/sw.c ++++ linux-2.6/drivers/net/wireless/rtlwifi/rtl8192ce/sw.c +@@ -186,6 +186,7 @@ int rtl92c_init_sw_vars(struct ieee80211 + memcpy(rtlpriv->rtlhal.pfirmware, firmware->data, firmware->size); + rtlpriv->rtlhal.fwsize = firmware->size; + release_firmware(firmware); ++ pr_info("rtl8192ce: Loaded firmware file %s\n", rtlpriv->cfg->fw_name); + + return 0; + } +--- linux-2.6/drivers/net/wireless/rtlwifi/rtl8192cu/sw.c ++++ linux-2.6/drivers/net/wireless/rtlwifi/rtl8192cu/sw.c +@@ -43,6 +43,8 @@ + #include "hw.h" + #include <linux/vmalloc.h> + #include <linux/module.h> ++#include <linux/atomic.h> ++#include <linux/types.h> + + MODULE_AUTHOR("Georgia <georgia@realtek.com>"); + MODULE_AUTHOR("Ziv Huang <ziv_huang@realtek.com>"); +@@ -51,6 +53,10 @@ MODULE_LICENSE("GPL"); + MODULE_DESCRIPTION("Realtek 8192C/8188C 802.11n USB wireless"); + MODULE_FIRMWARE("rtlwifi/rtl8192cufw.bin"); + ++static char *rtl8192cu_firmware; /* pointer to firmware */ ++static int firmware_size; ++static atomic_t usage_count; ++ + static int rtl92cu_init_sw_vars(struct ieee80211_hw *hw) + { + struct rtl_priv *rtlpriv = rtl_priv(hw); +@@ -62,12 +68,21 @@ static int rtl92cu_init_sw_vars(struct i + rtlpriv->dm.disable_framebursting = false; + rtlpriv->dm.thermalvalue = 0; + rtlpriv->dbg.global_debuglevel = rtlpriv->cfg->mod_params->debug; +- rtlpriv->rtlhal.pfirmware = vmalloc(0x4000); +- if (!rtlpriv->rtlhal.pfirmware) { ++ ++ if (rtl8192cu_firmware) { ++ /* firmware already loaded - true for suspend/resume ++ * and multiple instances of the device */ ++ rtlpriv->rtlhal.pfirmware = rtl8192cu_firmware; ++ rtlpriv->rtlhal.fwsize = firmware_size; ++ return 0; ++ } ++ rtl8192cu_firmware = vzalloc(0x4000); ++ if (!rtl8192cu_firmware) { + RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, + ("Can't alloc buffer for fw.\n")); + return 1; + } ++ + /* request fw */ + err = request_firmware(&firmware, rtlpriv->cfg->fw_name, + rtlpriv->io.dev); +@@ -82,9 +97,14 @@ static int rtl92cu_init_sw_vars(struct i + release_firmware(firmware); + return 1; + } +- memcpy(rtlpriv->rtlhal.pfirmware, firmware->data, firmware->size); ++ pr_info("rtl8192cu: Loaded firmware from file %s\n", ++ rtlpriv->cfg->fw_name); ++ memcpy(rtl8192cu_firmware, firmware->data, firmware->size); ++ firmware_size = firmware->size; + rtlpriv->rtlhal.fwsize = firmware->size; ++ rtlpriv->rtlhal.pfirmware = rtl8192cu_firmware; + release_firmware(firmware); ++ atomic_inc(&usage_count); + + return 0; + } +@@ -93,12 +113,30 @@ static void rtl92cu_deinit_sw_vars(struc + { + struct rtl_priv *rtlpriv = rtl_priv(hw); + +- if (rtlpriv->rtlhal.pfirmware) { +- vfree(rtlpriv->rtlhal.pfirmware); ++ atomic_dec(&usage_count); ++ if (!atomic_read(&usage_count) && rtlpriv->rtlhal.pfirmware) { ++ vfree(rtl8192cu_firmware); ++ rtl8192cu_firmware = NULL; + rtlpriv->rtlhal.pfirmware = NULL; + } + } + ++#ifdef CONFIG_PM_SLEEP ++static int rtl8192cu_usb_suspend(struct usb_interface *pusb_intf, ++ pm_message_t message) ++{ ++ /* Increase usage_count to Save loaded fw across suspend/resume */ ++ atomic_inc(&usage_count); ++ return 0; ++} ++ ++static int rtl8192cu_usb_resume(struct usb_interface *pusb_intf) ++{ ++ atomic_dec(&usage_count); /* after resume, decrease usage count */ ++ return 0; ++} ++#endif ++ + static struct rtl_hal_ops rtl8192cu_hal_ops = { + .init_sw_vars = rtl92cu_init_sw_vars, + .deinit_sw_vars = rtl92cu_deinit_sw_vars, +@@ -374,11 +412,10 @@ static struct usb_driver rtl8192cu_drive + .disconnect = rtl_usb_disconnect, + .id_table = rtl8192c_usb_ids, + +-#ifdef CONFIG_PM +- /* .suspend = rtl_usb_suspend, */ +- /* .resume = rtl_usb_resume, */ +- /* .reset_resume = rtl8192c_resume, */ +-#endif /* CONFIG_PM */ ++#ifdef CONFIG_PM_SLEEP ++ .suspend = rtl8192cu_usb_suspend, ++ .resume = rtl8192cu_usb_resume, ++#endif /* CONFIG_PM_SLEEP */ + #ifdef CONFIG_AUTOSUSPEND + .supports_autosuspend = 1, + #endif |